Cita APA

Courson, R. L. (1988). Understanding and safe use of pesticides. Urbana Ill: Vocational Agriculture Service University of Illinois College of Agriculture.

Citación estilo Chicago

Courson, Roger L. Understanding and Safe Use of Pesticides. Urbana Ill: Vocational Agriculture Service University of Illinois College of Agriculture, 1988.

Cita MLA

Courson, Roger L. Understanding and Safe Use of Pesticides. Urbana Ill: Vocational Agriculture Service University of Illinois College of Agriculture, 1988.