Southwood, T. (1978). Ecological methods: With particular reference to the study of insect populations (2nd rev. ed.). Chapman & Hall.
Lua i Stíl Chicago (17ú heag.)Southwood, T.R.E. Ecological Methods: With Particular Reference to the Study of Insect Populations. 2nd rev. ed. New York: Chapman & Hall, 1978.
Lua MLA (9ú heag.)Southwood, T.R.E. Ecological Methods: With Particular Reference to the Study of Insect Populations. 2nd rev. ed. Chapman & Hall, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.