Παραπομπή σε μορφή APA (7η εκδ.)

(2016). AGRICULTURAL Productivity in Africa: Trends, patterns, and determinations. International Food Policy Research Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

AGRICULTURAL Productivity in Africa: Trends, Patterns, and Determinations. International Food Policy Research Institute, 2016.

Παραπομπή σε μορφή MLA (9th εκδ.)

AGRICULTURAL Productivity in Africa: Trends, Patterns, and Determinations. International Food Policy Research Institute, 2016.