Não informado. (1999). The Leading Edge. Society of Exploration Geophysicists.
Chicagoスタイル(17版)引用形式Não informado. The Leading Edge. Tulsa, Okla: Society of Exploration Geophysicists, 1999.
MLA(8版)引用形式Não informado. The Leading Edge. Society of Exploration Geophysicists, 1999.
警告: この引用は必ずしも正確ではありません.