APA-referens (7:e uppl.)
Philp, R. B. (2012). Environmental issues for the Twenty-first century and their impact on human health. Bentham Books.
Chicago-referens (17:e uppl.)
Philp, Richard B. Environmental Issues for the Twenty-first Century and Their Impact on Human Health. [Saif Zone, Sharjah, U.A.E]: Bentham Books, 2012.
MLA-referens (9:e uppl.)
Philp, Richard B. Environmental Issues for the Twenty-first Century and Their Impact on Human Health. Bentham Books, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.