Gaya APA

Swaton, C, J. (1993). Weed Technology Vol. 7 No. 2 April - June 1993 . Madison, Wisconsin, AS: Weed Sciences Society Of America.

Gaya MLA

Swaton, Charlence, J.. "Weed Technology Vol. 7 No. 2 April - June 1993". Madison, Wisconsin, AS: Weed Sciences Society Of America, 1993. Text.