Cita APA (7th ed.)
Ormiston, M. B. (1992). Intermediate microeconomics. The Dryden.
Cita Chicago (17th ed.)
Ormiston, Micheal B. Intermediate Microeconomics. Fort worth: The Dryden, 1992.
Cita MLA (9th ed.)
Ormiston, Micheal B. Intermediate Microeconomics. The Dryden, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.