Gaya APA

Charudattan, C., Walker, H, L. (1982). Biological Control of Weeds With Plant Pathogens . Canada: John Willey and Sons, Inc.

Gaya MLA

Charudattan, C.., Walker, H., L. "Biological Control of Weeds With Plant Pathogens". Canada: John Willey and Sons, Inc, 1982. Text.