Macfadyen, A. (1963). Animal ecology: Aims and methods (2nd ed.). Pitman.
Lua i Stíl Chicago (17ú heag.)Macfadyen, A. Animal Ecology: Aims and Methods. 2nd ed. London: Pitman, 1963.
Lua MLA (8ú heag.)Macfadyen, A. Animal Ecology: Aims and Methods. 2nd ed. Pitman, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.