APA-referens

Hodges, L. (1977). Environmental Pollution (2nd.). Holt, Rinehart and Winston, Inc.

Chicago-stil citat

Hodges, Lawrent. Environmental Pollution. 2nd. New York: Holt, Rinehart and Winston, Inc, 1977.

MLA-referens

Hodges, Lawrent. Environmental Pollution. 2nd. Holt, Rinehart and Winston, Inc, 1977.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.