Roberts, P. (2004). The end of oil: On the edge of a perilous new world. Boston: Houghton Mifflin.
Chicago Style CitationRoberts, Paul. The End of Oil: On the Edge of a Perilous New World. Boston: Houghton Mifflin, 2004.
Cita MLARoberts, Paul. The End of Oil: On the Edge of a Perilous New World. Boston: Houghton Mifflin, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.