Παραπομπή APA

United Nations. (1962). Transport problems in relation to economic development in West Africa. s.l.: United Nations.

Παραπομπή Chicago Style

United Nations. Transport Problems in Relation to Economic Development in West Africa. s.l.: United Nations, 1962.

Παραπομπή MLA

United Nations. Transport Problems in Relation to Economic Development in West Africa. s.l.: United Nations, 1962.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.