APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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

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