Cita APA (7th ed.)

Akiyama, T. (1994). Adding up problem: Strategies for primary commodity exports in Sub-Saharan Africa. World Bank, International Economics Department.

Cita Chicago (17th ed.)

Akiyama, Takamasa. Adding Up Problem: Strategies for Primary Commodity Exports in Sub-Saharan Africa. Washington, D.C: World Bank, International Economics Department, 1994.

Cita MLA (9th ed.)

Akiyama, Takamasa. Adding Up Problem: Strategies for Primary Commodity Exports in Sub-Saharan Africa. World Bank, International Economics Department, 1994.