Não informado. (2010). The American Association of Petroleum Geologists Bulletin. American Association of Petroleum Geologists.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. The American Association of Petroleum Geologists Bulletin. Tulsa, Okla: American Association of Petroleum Geologists, 2010.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. The American Association of Petroleum Geologists Bulletin. American Association of Petroleum Geologists, 2010.
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