एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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