Infield Systems Limited. (2013). Brazil 2013 oil and gas concession map. Offshore Magazine.
Chicago Style (17th ed.) CitationInfield Systems Limited. Brazil 2013 Oil and Gas Concession Map. [Houston, Tex.]: Offshore Magazine, 2013.
MLA (9th ed.) CitationInfield Systems Limited. Brazil 2013 Oil and Gas Concession Map. Offshore Magazine, 2013.
Warning: These citations may not always be 100% accurate.