Παραπομπή σε μορφή APA (7η εκδ.)

Varangis, P., Akiyama, T., & Thigpen, E. (1990). Recent developments in marketing and pricing systems for agricultural export commodities in Sub-Saharan Africa. International Economics Dept., World Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Varangis, Panos, Takamasa Akiyama, και Elton Thigpen. Recent Developments in Marketing and Pricing Systems for Agricultural Export Commodities in Sub-Saharan Africa. Washington, D.C: International Economics Dept., World Bank, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Varangis, Panos, et al. Recent Developments in Marketing and Pricing Systems for Agricultural Export Commodities in Sub-Saharan Africa. International Economics Dept., World Bank, 1990.