Shaffer, B. (2009). Energy politics. University of Pennsylvania Press.
Style de citation Chicago (17e éd.)Shaffer, Brenda. Energy Politics. Philadelphia: University of Pennsylvania Press, 2009.
Style de citation MLA (9e éd.)Shaffer, Brenda. Energy Politics. University of Pennsylvania Press, 2009.
Attention : ces citations peuvent ne pas être correctes à 100%.