Colinvaux, P. A. (1978). Why big fierce animals are rare: An ecologist's perspective. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Colinvaux, Paul A. Why Big Fierce Animals Are Rare: An Ecologist's Perspective. Princeton, N.J.: Princeton University Press, 1978.
Lua MLA (9ú heag.)Colinvaux, Paul A. Why Big Fierce Animals Are Rare: An Ecologist's Perspective. Princeton University Press, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.