Παραπομπή APA

(1960). Yearbook of international trade statistics 1959.V.2. United Naitons.

Παραπομπή Chicago Style

Yearbook of International Trade Statistics 1959.V.2. New York: United Naitons, 1960.

Παραπομπή MLA

Yearbook of International Trade Statistics 1959.V.2. United Naitons, 1960.