APA (7e ed.) Bronvermelding

Case, K. E., & Fair, R. C. (1999). Principles of microeconomics (5th ed.). Prentice Hall.

Chicago (17e ed.) Bronvermelding

Case, Karl E., en Ray C. Fair. Principles of Microeconomics. 5th ed. Upper Saddle River, N.J: Prentice Hall, 1999.

MLA (9e ed.) Bronvermelding

Case, Karl E., en Ray C. Fair. Principles of Microeconomics. 5th ed. Prentice Hall, 1999.