APA
(1991). Crop protection chemicals references 7th CPCR. Paris: Chemical and Pharmacential Publishing.
Chicago
1991. Crop protection chemicals references 7th CPCR. Paris: Chemical and Pharmacential Publishing.
Harvard
(1991). Crop protection chemicals references 7th CPCR. Paris: Chemical and Pharmacential Publishing.
MLA
Crop protection chemicals references 7th CPCR. Paris: Chemical and Pharmacential Publishing. 1991.