APA (7th ed.) Zitazioa

Abdu, N. (2010). Availability, transfer and balances of heavy metals in urban agriculture of West Africa. Kassel University Press.

Chicago Style (17th ed.) Zitazioa

Abdu, Nafiu. Availability, Transfer and Balances of Heavy Metals in Urban Agriculture of West Africa. Kassel: Kassel University Press, 2010.

MLA (9th ed.) Zitazioa

Abdu, Nafiu. Availability, Transfer and Balances of Heavy Metals in Urban Agriculture of West Africa. Kassel University Press, 2010.