Gaya APA
Colley, W, E. (1992).
Weed Science Vol. 40 No. 3 January - September 1992 .
Madison, Wisconsin, AS:
Weed Sciences Society Of America.
Gaya MLA
Colley, William, E..
"Weed Science Vol. 40 No. 3 January - September 1992".
Madison, Wisconsin, AS:
Weed Sciences Society Of America,
1992.
Text.