APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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