APA-referens (7:e uppl.)

Lavorgna, G. M. (1998). Environment: Issues and alternatives (Rev. ed.). Kendall/Hunt.

Chicago-referens (17:e uppl.)

Lavorgna, Gary M. Environment: Issues and Alternatives. Rev. ed. Dubuque: Kendall/Hunt, 1998.

MLA-referens (9:e uppl.)

Lavorgna, Gary M. Environment: Issues and Alternatives. Rev. ed. Kendall/Hunt, 1998.