Cita APA (7th ed.)

McEachern, W. A. (2012). Microeconomic Principles: A Contemporary Introduction 9 ED (9th.). Cengage Learning.

Cita Chicago (17th ed.)

McEachern, Willam A. Microeconomic Principles: A Contemporary Introduction 9 ED. 9th. Australia: Cengage Learning, 2012.

Cita MLA (9th ed.)

McEachern, Willam A. Microeconomic Principles: A Contemporary Introduction 9 ED. 9th. Cengage Learning, 2012.