Cita APA (7th ed.)

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.

Cita Chicago (17th ed.)

Varangis, Panos, Takamasa Akiyama, i 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.

Cita MLA (9th ed.)

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.