Gaya APA

Arthur, M, F. (1989). Journal Of Environmental Quality Vol. 18 No. 1 January - March 1989 (Vol. 18 No. 1). Madison, Wisconsin, AS: Cooperatively by The American Society Of Agronomy.

Gaya MLA

Arthur, Mickey, F.. "Journal Of Environmental Quality Vol. 18 No. 1 January - March 1989". Vol. 18 No. 1 Madison, Wisconsin, AS: Cooperatively by The American Society Of Agronomy, 1989. Text.