Παραπομπή APA

Crump, N. (1965). ABC of the foreign exchanges. Macmillian & company limited.

Παραπομπή Chicago Style

Crump, Norman. ABC of the Foreign Exchanges. London: Macmillian & company limited, 1965.

Παραπομπή MLA

Crump, Norman. ABC of the Foreign Exchanges. Macmillian & company limited, 1965.