Gaya APA

Pratt, H, D., Littig, K, S. (1974). Insecticide Application Equipment for The Control of Insects of Public Health Importance . Atlanta, Georgia: Public Health Service Center for Disease Control.

Gaya MLA

Pratt, Harry, D.., Littig, Kent, S.. "Insecticide Application Equipment for The Control of Insects of Public Health Importance". Atlanta, Georgia: Public Health Service Center for Disease Control, 1974. Text.