Lua APA (7ú heag.)
Estes, R. (2014). The gnu's world: Serengeti wildebeest ecology and life history. University of California Press.
Lua i Stíl Chicago (17ú heag.)
Estes, Richard. The Gnu's World: Serengeti Wildebeest Ecology and Life History. Berkeley, California ; Los Angeles, California ; London, England: University of California Press, 2014.
Lua MLA (9ú heag.)
Estes, Richard. The Gnu's World: Serengeti Wildebeest Ecology and Life History. University of California Press, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.