APA استشهاد

Dubois, E. (2010). 21st century encyclopedia of global warming and climate change. Apple Academic.

استشهاد بنمط شيكاغو

Dubois, Etienne. 21st Century Encyclopedia of Global Warming and Climate Change. Oakville: Apple Academic, 2010.

MLA استشهاد

Dubois, Etienne. 21st Century Encyclopedia of Global Warming and Climate Change. Apple Academic, 2010.