Cook, R. C. (1941). Control of the petroleum industry by major oil companies. [publisher not identified].
Chicago-Zitierstil (17. Ausg.)Cook, Roy C. Control of the Petroleum Industry by Major Oil Companies. [Washington]: [publisher not identified], 1941.
MLA-Zitierstil (8. Ausg.)Cook, Roy C. Control of the Petroleum Industry by Major Oil Companies. [publisher not identified], 1941.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.