APA-referens (7:e uppl.)
ebrary, Inc. (1985). Nutrient requirements of sheep (6th rev. ed.). National Academy of Press.
Chicago-referens (17:e uppl.)
ebrary, Inc. Nutrient Requirements of Sheep. 6th rev. ed. Washington, D.C.: National Academy of Press, 1985.
MLA-referens (9:e uppl.)
ebrary, Inc. Nutrient Requirements of Sheep. 6th rev. ed. National Academy of Press, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.