APA (7th ed.) Zitazioa
Estes, R. (2014). The gnu's world: Serengeti wildebeest ecology and life history. University of California Press.
Chicago Style (17th ed.) Zitazioa
Estes, Richard. The Gnu's World: Serengeti Wildebeest Ecology and Life History. Berkeley, California ; Los Angeles, California ; London, England: University of California Press, 2014.
MLA (9th ed.) Zitazioa
Estes, Richard. The Gnu's World: Serengeti Wildebeest Ecology and Life History. University of California Press, 2014.
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