Esch, G. W. (1977). Regulation of parasite populations. Academic Press.
Lua i Stíl Chicago (17ú heag.)Esch, Gerald W. Regulation of Parasite Populations. New York: Academic Press, 1977.
Lua MLA (9ú heag.)Esch, Gerald W. Regulation of Parasite Populations. Academic Press, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.