Παραπομπή σε μορφή APA (7η εκδ.)

Murphy, J. (1991). Farmers' estimations as a source of production data: Methodological guidelines for cereals in Africa. World Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Murphy, Josette. Farmers' Estimations as a Source of Production Data: Methodological Guidelines for Cereals in Africa. Washington: World Bank, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Murphy, Josette. Farmers' Estimations as a Source of Production Data: Methodological Guidelines for Cereals in Africa. World Bank, 1991.