Offshore Publications Limited. (2008). West Africa, 2008 offshore oil and gas concession map. Offshore Magazine.
Chicago Style (17th ed.) CitationOffshore Publications Limited. West Africa, 2008 Offshore Oil and Gas Concession Map. [Place of publication not identified]: Offshore Magazine, 2008.
MLA (9th ed.) CitationOffshore Publications Limited. West Africa, 2008 Offshore Oil and Gas Concession Map. Offshore Magazine, 2008.
Warning: These citations may not always be 100% accurate.