APA-referens (7:e uppl.)

Ortolano, L. (1997). Environmental regulation and impact assessment. Wiley.

Chicago-referens (17:e uppl.)

Ortolano, Leonard. Environmental Regulation and Impact Assessment. New York: Wiley, 1997.

MLA-referens (8:e uppl.)

Ortolano, Leonard. Environmental Regulation and Impact Assessment. Wiley, 1997.