Παραπομπή σε μορφή APA (7η εκδ.)

(1991). Enhancement of agricultural research in Francophone Africa: Proceedings of the Pan-African conferenceon agriculture and agricultural research in Africa. Academy science.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Enhancement of Agricultural Research in Francophone Africa: Proceedings of the Pan-African Conferenceon Agriculture and Agricultural Research in Africa. Douala: Academy science, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Enhancement of Agricultural Research in Francophone Africa: Proceedings of the Pan-African Conferenceon Agriculture and Agricultural Research in Africa. Academy science, 1991.