Παραπομπή APA

Crump, N. (1963). ABC of the foreign exchange (13th ed.). Macmillan.

Παραπομπή Chicago Style

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

Παραπομπή MLA

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