Cita APA (7th ed.)

Crump, N. (1963). The ABC of Foreign exchange (13th.). Macmillan.

Cita Chicago (17th ed.)

Crump, Norman. The ABC of Foreign Exchange. 13th. London: Macmillan, 1963.

Cita MLA (9th ed.)

Crump, Norman. The ABC of Foreign Exchange. 13th. Macmillan, 1963.