Gaya APA

Robert, L, M., William, H, L. (1982). Introduction to Insect Pest Management (2nd). Canada: John Willey and Sons, Inc.

Gaya MLA

Robert, L., Metcalf,., William, H., Luckmann,. "Introduction to Insect Pest Management". 2nd Canada: John Willey and Sons, Inc, 1982. Text.