Cita APA (7th ed.)

Gravelle, H., & Rees, R. (1981). Microeconomics. Longman.

Cita Chicago (17th ed.)

Gravelle, Hugh, i Ray Rees. Microeconomics. London: Longman, 1981.

Cita MLA (9th ed.)

Gravelle, Hugh, i Ray Rees. Microeconomics. Longman, 1981.