Cherrett, J. M., & Sagar, G. R. (1977). Orgins of pest, parasite , disease and weed problems. Blackwell Scientific Publications.
Chicago Edition CitationCherrett, J M., and G R. Sagar. Orgins of Pest, Parasite , Disease and Weed Problems. Oxford: Blackwell Scientific Publications, 1977.
MLA Edition CitationCherrett, J M., and G R. Sagar. Orgins of Pest, Parasite , Disease and Weed Problems. Blackwell Scientific Publications, 1977.
Warning: These citations may not always be 100% accurate.