APA-čujuhus (7. p.)
Spencer, R. W. (2010). The bad science and bad policy of Obama's global warming agenda. Encounter Books.
Chicago-čujuhus (17. p.)
Spencer, Roy W. The Bad Science and Bad Policy of Obama's Global Warming Agenda. New York, NY: Encounter Books, 2010.
MLA-čujuhus (9. p.)
Spencer, Roy W. The Bad Science and Bad Policy of Obama's Global Warming Agenda. Encounter Books, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.