Gaya APA

Newsom, L, J. (1993). Weed Science Vol. 41 No. 4 October - December 1993 (Vol. 41 No. 4). Madison, Wisconsin, AS: Weed Sciences Society Of America.

Gaya MLA

Newsom, Larry, J.. "Weed Science Vol. 41 No. 4 October - December 1993". Vol. 41 No. 4 Madison, Wisconsin, AS: Weed Sciences Society Of America, 1993. Text.