Cita APA

McKeough, K., Escay, J., & Sem, S. (1989). A visual overview of world oil markets. Washington, D.C.: Industry and Energy Department, The World Bank.

Citación estilo Chicago

McKeough, Kay, Jose Escay, y Sompheap Sem. A Visual Overview of World Oil Markets. Washington, D.C.: Industry and Energy Department, The World Bank, 1989.

Cita MLA

McKeough, Kay, Jose Escay, y Sompheap Sem. A Visual Overview of World Oil Markets. Washington, D.C.: Industry and Energy Department, The World Bank, 1989.