Wardle, R. A., & Buckle, P. (1923). Principles insect control. Publication of the University of Manchester.
Lua i Stíl Chicago (17ú heag.)Wardle, Robert A., agus Philip Buckle. Principles Insect Control. London: Publication of the University of Manchester, 1923.
Lua MLA (9ú heag.)Wardle, Robert A., agus Philip Buckle. Principles Insect Control. Publication of the University of Manchester, 1923.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.