Gaya APA
II, G, W, S. (1993).
Journal Of Environmental Quality Vol. 22 No. 2 April - June 1993 .
Madison, Wisconsin, AS:
Cooperatively by The American Society Of Agronomy.
Gaya MLA
II, Glen, W., Suter.
"Journal Of Environmental Quality Vol. 22 No. 2 April - June 1993".
Madison, Wisconsin, AS:
Cooperatively by The American Society Of Agronomy,
1993.
Text.