Klass, M. W., & Landis, R. C. (1980). OPEC: Policy implications for the United States.
Chicago Edition CitationKlass, Michael W., and Robin C. Landis. OPEC: Policy Implications for the United States. New York, Praeger publishers, 1980.
Deismireacht MLAKlass, Michael W., and Robin C. Landis. OPEC: Policy Implications for the United States. 1980.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.