Παραπομπή APA

(1981). Urban transportation study of the new Federal Capital City Abuja (Nigeria): Final report : maps. Federal Republic of Nigeria: Federal Capital Development Authority.

Παραπομπή Chicago Style

Urban Transportation Study of the New Federal Capital City Abuja (Nigeria): Final Report : Maps. Federal Republic of Nigeria: Federal Capital Development Authority, 1981.

Παραπομπή MLA

Urban Transportation Study of the New Federal Capital City Abuja (Nigeria): Final Report : Maps. Federal Republic of Nigeria: Federal Capital Development Authority, 1981.

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