Cita APA (7th ed.)

Harvey, J. (1972). Multiple choice qus. for int. economics. Macmillan.

Cita Chicago (17th ed.)

Harvey, J. Multiple Choice Qus. for Int. Economics. London: Macmillan, 1972.

Cita MLA (9th ed.)

Harvey, J. Multiple Choice Qus. for Int. Economics. Macmillan, 1972.