Gamper-Rabindran. The Shale Dilemma. University of Pittsburgh Press.
Chicagoスタイル(17版)引用形式Gamper-Rabindran. The Shale Dilemma. University of Pittsburgh Press.
MLA(8版)引用形式Gamper-Rabindran. The Shale Dilemma. University of Pittsburgh Press.
警告: この引用は必ずしも正確ではありません.