Andrewartha, H. G. (1961). Introduction to the study of animal populations. University of Chicago Press.
Lua i Stíl Chicago (17ú heag.)Andrewartha, Herbert George. Introduction to the Study of Animal Populations. Chicago: University of Chicago Press, 1961.
Lua MLA (9ú heag.)Andrewartha, Herbert George. Introduction to the Study of Animal Populations. University of Chicago Press, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.