Metcalf, R. L. (1982). Introduction to insect pest management (2nd ed.). John Wiley and Sons.
Lua i Stíl Chicago (17ú heag.)Metcalf, Robert L. Introduction to Insect Pest Management. 2nd ed. New York: John Wiley and Sons, 1982.
Lua MLA (9ú heag.)Metcalf, Robert L. Introduction to Insect Pest Management. 2nd ed. John Wiley and Sons, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.