APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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

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