Cita APA

(1997). Annual report 1997 (International Institute of Tropical Agriculture). Nigeria: IITA.

Chicago Style Citation

Annual Report 1997 (International Institute of Tropical Agriculture). Nigeria: IITA, 1997.

Cita MLA

Annual Report 1997 (International Institute of Tropical Agriculture). Nigeria: IITA, 1997.

Atenció: Aquestes cites poden no estar 100% correctes.