Cita APA (7th ed.)

Gravelle, H., & Rees, R. (1992). Microeconomics (2nd ed.). Longman.

Cita Chicago (17th ed.)

Gravelle, Hugh, i Ray Rees. Microeconomics. 2nd ed. London: Longman, 1992.

Cita MLA (9th ed.)

Gravelle, Hugh, i Ray Rees. Microeconomics. 2nd ed. Longman, 1992.