APA استشهاد

Einzig, P. (1964). The history of foreign exchange. Mac millan &co.

استشهاد بنمط شيكاغو

Einzig, Paul. The History of Foreign Exchange. London: Mac millan &co, 1964.

MLA استشهاد

Einzig, Paul. The History of Foreign Exchange. Mac millan &co, 1964.