Gaya APA

Dewey, S, A. (1991). Weed Technology Vol. 5 No. 3 July - September 1991 (Vol. 5 No. 3). Madison, Wisconsin, AS: Weed Sciences Society Of America.

Gaya MLA

Dewey, Steven, A.. "Weed Technology Vol. 5 No. 3 July - September 1991". Vol. 5 No. 3 Madison, Wisconsin, AS: Weed Sciences Society Of America, 1991. Text.