USA Central Intelligence Agency. (1977). Prospects for Soviet oil production: Document Expediting Project, Exchange and Gift Div., Libr. of Congress 1977.
Chicago-Zitierstil (17. Ausg.)USA Central Intelligence Agency. Prospects for Soviet Oil Production: Document Expediting Project, Exchange and Gift Div., Libr. of Congress 1977. Washington/DC, 1977.
MLA-Zitierstil (9. Ausg.)USA Central Intelligence Agency. Prospects for Soviet Oil Production: Document Expediting Project, Exchange and Gift Div., Libr. of Congress 1977. 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.