METCALF, C. (1962). Destructive And Useful Insects. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)METCALF, C.L. Destructive And Useful Insects. McGraw-Hill, 1962.
Lua MLA (8ú heag.)METCALF, C.L. Destructive And Useful Insects. McGraw-Hill, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.