Cita APA (7th ed.)

Attiga, A. A. (1981). The Economic Development of the oil Exporting Countries. Oxford University.

Cita Chicago (17th ed.)

Attiga, Ali Ahmed. The Economic Development of the Oil Exporting Countries. England: Oxford University, 1981.

Cita MLA (9th ed.)

Attiga, Ali Ahmed. The Economic Development of the Oil Exporting Countries. Oxford University, 1981.