Mansfield, E. (1989). Principles of microeconomics. Norton.
Cita Chicago (17th ed.)Mansfield, Edwin. Principles of Microeconomics. New York; London: Norton, 1989.
Cita MLA (9th ed.)Mansfield, Edwin. Principles of Microeconomics. Norton, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.