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.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.