Gaya APA

Hendershot, W. (1991). Journal Of Environmental Quality Vol. 20 No. 3 July - September 1991 . Madison, Wisconsin, AS: Cooperatively by The American Society Of Agronomy.

Gaya MLA

Hendershot, W.H.. "Journal Of Environmental Quality Vol. 20 No. 3 July - September 1991". Madison, Wisconsin, AS: Cooperatively by The American Society Of Agronomy, 1991. Text.