Gaya APA

Hart, S, E. (1993). Weed Science Vol. 41 No. 3 July - September 1993 (Vol. 41 No. 3). Madison, Wisconsin, AS: Weed Sciences Society Of America.

Gaya MLA

Hart, Stephen, E.. "Weed Science Vol. 41 No. 3 July - September 1993". Vol. 41 No. 3 Madison, Wisconsin, AS: Weed Sciences Society Of America, 1993. Text.