Gaya APA

Pratt, H, D., Littig, K, S. (1974). Insecticide Application Equipment for Control of insects of Publick Health Importance . Atlanta, Georgia: U.S Department of Health, Education, and Welfare.

Gaya MLA

Pratt, Harry, D.., Littig, Kent, S.. "Insecticide Application Equipment for Control of insects of Publick Health Importance". Atlanta, Georgia: U.S Department of Health, Education, and Welfare, 1974. Text.