@book{hyman_2014, title={Public finance: A contemporary application of theory to policy}, publisher={Stamford, Connecticut: Cengage Learning}, author={Hyman, D. N.}, year={2014} }
 @book{hyman_2008, title={Public finance : a contemporary application of theory to policy}, ISBN={9780324652321}, publisher={Mason, OH : Thomson South-Western}, author={Hyman, D. H.}, year={2008} }
 @book{hyman_2005, title={Public finance: A contemporary application of theory to policy}, ISBN={0324259700}, publisher={Mason, Ohio: Thomson/South Western}, author={Hyman, D. N.}, year={2005} }
 @book{hyman_2002, title={Public finance: A contemporary application of theory to policy (7th ed.)}, ISBN={0030337844}, publisher={Fort Worth: Harcourt College Publishers}, author={Hyman, D. N.}, year={2002} }
 @book{hyman_1997, title={Economics (4th ed.)}, ISBN={0256160686}, publisher={Chicago: Irwin}, author={Hyman, D. N.}, year={1997} }
 @book{hyman_1996, title={Public finance : a contemporary application of theory to policy}, ISBN={0030113172}, publisher={Fort Worth: Dryden}, author={Hyman, D. N.}, year={1996} }
 @book{hyman_1994, title={Economics}, publisher={Burr Ridge, Ill. : Irwin}, author={Hyman, D. N.}, year={1994} }
 @book{hyman_1994, title={Microeconomics}, ISBN={025611806X}, publisher={Burr Ridge, Ill. : Irwin}, author={Hyman, D. N.}, year={1994} }
 @book{hyman_1993, title={Modern microeconomics : analysis and applications}, ISBN={0256083770}, publisher={Homewood, IL: Irwin}, author={Hyman, D. N.}, year={1993} }
 @book{hyman_1992, title={Economics (2nd ed.)}, ISBN={025611160X}, publisher={Homewood, IL: Irwin}, author={Hyman, D. N.}, year={1992} }
 @book{hyman_1989, title={Economics}, ISBN={0256075042}, publisher={Homewood, IL: Irwin}, author={Hyman, D. N.}, year={1989} }
 @book{hyman_1988, title={Modern microeconomics : analysis and applications}, ISBN={0256074852}, publisher={Boston, MA : Irwin}, author={Hyman, D. N.}, year={1988} }
 @book{hyman_1983, title={Public finance : a contemporary application of theory to policy}, ISBN={008998053}, publisher={Chicago : Dryden}, author={Hyman, D. N.}, year={1983} }
 @book{hyman_1973, title={The Economics of governmental activity}, ISBN={0030856175}, publisher={New York: Holt, Rinehart and Winston}, author={Hyman, D. N.}, year={1973} }