Não informado. (1979). AAPG explorer. American Association of Petroleum Geologists.
Chicagoスタイル(17版)引用形式Não informado. AAPG Explorer. Tulsa, Okla: American Association of Petroleum Geologists, 1979.
MLA(8版)引用形式Não informado. AAPG Explorer. American Association of Petroleum Geologists, 1979.
警告: この引用は必ずしも正確ではありません.