Παραπομπή σε μορφή APA (7η εκδ.)

Gabre-Madhin, E. Z. (2001). Market institutions, transaction costs, and social capital in the Ethiopian grain market. International Food Policy Research Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gabre-Madhin, Eleni Zaude. Market Institutions, Transaction Costs, and Social Capital in the Ethiopian Grain Market. Washington: International Food Policy Research Institute, 2001.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gabre-Madhin, Eleni Zaude. Market Institutions, Transaction Costs, and Social Capital in the Ethiopian Grain Market. International Food Policy Research Institute, 2001.