Gaya APA

Monaco, T, J., Ashton, F, M. (1991). Weed science : principles and practices / Floyd M. Ashton, Thomas J. Monaco (Ed.ke-3). New York: John Wiley n Sons.

Gaya MLA

Monaco, Thomas, J.., Ashton, Floyd, M.. "Weed science : principles and practices / Floyd M. Ashton, Thomas J. Monaco". Ed.ke-3 New York: John Wiley n Sons, 1991. Textbook.