Spencer, R. W. (2010). The bad science and bad policy of Obama's global warming agenda. Encounter Books.
Style de citation Chicago (17e éd.)Spencer, Roy W. The Bad Science and Bad Policy of Obama's Global Warming Agenda. New York, NY: Encounter Books, 2010.
Style de citation MLA (9e éd.)Spencer, Roy W. The Bad Science and Bad Policy of Obama's Global Warming Agenda. Encounter Books, 2010.
Attention : ces citations peuvent ne pas être correctes à 100%.