Trích dẫn APA

Herkenhoff, L. (2014). A Profile of the Oil and Gas Industry: Resources, Market Forces, Geopolitics, and Technology. Business Expert Press.

Trích dẫn kiểu Chicago

Herkenhoff, Linda. A Profile of the Oil and Gas Industry: Resources, Market Forces, Geopolitics, and Technology. Business Expert Press, 2014.

Trích dẫn MLA

Herkenhoff, Linda. A Profile of the Oil and Gas Industry: Resources, Market Forces, Geopolitics, and Technology. Business Expert Press, 2014.

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