एपीए उद्धरण

(2001). Crop production in tropical Africa. Brussels: Directorate General for International Co-operation.

शिकागो स्टाइल उद्धरण

Crop Production in Tropical Africa. Brussels: Directorate General for International Co-operation, 2001.

एमएलए उद्धरण

Crop Production in Tropical Africa. Brussels: Directorate General for International Co-operation, 2001.