Cita APA (7th ed.)

Hubbard, R. G., & O'Brien, A. P. (2008). Microeconomics (2nd ed.). Pearson Prentice Hall.

Cita Chicago (17th ed.)

Hubbard, R. Glenn, i Anthony Patrick O'Brien. Microeconomics. 2nd ed. Upper Saddle River, NJ: Pearson Prentice Hall, 2008.

Cita MLA (9th ed.)

Hubbard, R. Glenn, i Anthony Patrick O'Brien. Microeconomics. 2nd ed. Pearson Prentice Hall, 2008.