APA-referens

Enger, E. D. (2002). Environmental science: A study of interrelationships. Boston, MA: McGraw-Hill.

Chicago-stil citat

Enger, Eldon D. Environmental Science: A Study of Interrelationships. Boston, MA: McGraw-Hill, 2002.

MLA-referens

Enger, Eldon D. Environmental Science: A Study of Interrelationships. Boston, MA: McGraw-Hill, 2002.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.