Gaya APA
Brown, A, E. (1988).
Weed Socience Vol. 36 No. 6 November 1988 .
Madison, Wisconsin, AS:
Weed science Society of america.
Gaya MLA
Brown, Alfred, E..
"Weed Socience Vol. 36 No. 6 November 1988".
Madison, Wisconsin, AS:
Weed science Society of america,
1988.
Text.