APA-referens (7:e uppl.)
ebrary, Inc, & Ruttan, V. W. (1994). Agriculture, environment, and health: Sustainable development in the 21st century. University of Minnesota Press.
Chicago-referens (17:e uppl.)
ebrary, Inc, och Vernon W. Ruttan. Agriculture, Environment, and Health: Sustainable Development in the 21st Century. Minneapolis: University of Minnesota Press, 1994.
MLA-referens (9:e uppl.)
ebrary, Inc, och Vernon W. Ruttan. Agriculture, Environment, and Health: Sustainable Development in the 21st Century. University of Minnesota Press, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.