APA-referens (7:e uppl.)
Williams, K. (2005). 1000 Questions answer and explanations for global glacier mass balance. Himalayan Books.
Chicago-referens (17:e uppl.)
Williams, Keith. 1000 Questions Answer and Explanations for Global Glacier Mass Balance. New Delhi: Himalayan Books, 2005.
MLA-referens (9:e uppl.)
Williams, Keith. 1000 Questions Answer and Explanations for Global Glacier Mass Balance. Himalayan Books, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.