Henderson, J. V., & Poole, W. (1991). Principles of microeconomics. D.C. Heath and Company.
Cita Chicago (17th ed.)Henderson, J. Vernon, i William Poole. Principles of Microeconomics. Boston: D.C. Heath and Company, 1991.
Cita MLA (9th ed.)Henderson, J. Vernon, i William Poole. Principles of Microeconomics. D.C. Heath and Company, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.