Παραπομπή APA

(1973). Nigeria: Development problems and future needs of major urban centres : Ilorin. Athens: Doxiadis Associates International.

Παραπομπή Chicago Style

Nigeria: Development Problems and Future Needs of Major Urban Centres : Ilorin. Athens: Doxiadis Associates International, 1973.

Παραπομπή MLA

Nigeria: Development Problems and Future Needs of Major Urban Centres : Ilorin. Athens: Doxiadis Associates International, 1973.

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