Παραπομπή APA
United Nations. Department for Economic and Social Affairs. Statistical Office. (1977). Yearbook of International trade statistics 1976. New York: United Nations.
Παραπομπή Chicago StyleUnited Nations. Department for Economic and Social Affairs. Statistical Office. Yearbook of International Trade Statistics 1976. New York: United Nations, 1977.
Παραπομπή MLAUnited Nations. Department for Economic and Social Affairs. Statistical Office. Yearbook of International Trade Statistics 1976. New York: United Nations, 1977.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.