Gould, J. P., & Lazear, E. P. (1989). Microeconomic theory (6th ed.). Irwin.
Cita Chicago (17th ed.)Gould, John P., i Edward P. Lazear. Microeconomic Theory. 6th ed. Homewood, IL ; New Delhi: Irwin, 1989.
Cita MLA (8th ed.)Gould, John P., i Edward P. Lazear. Microeconomic Theory. 6th ed. Irwin, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.