Oil directory of foreign companies outside the U.S.A. and Canada. C.L. Cooper.
Chicago Style (17th ed.) CitationOil Directory of Foreign Companies Outside the U.S.A. and Canada. Tulsa, Okla.: C.L. Cooper.
MLA (9th ed.) CitationOil Directory of Foreign Companies Outside the U.S.A. and Canada. C.L. Cooper.
Warning: These citations may not always be 100% accurate.