Παραπομπή APA

Blackshaw, R. E., & Upadhyaya, M. K. (2007). Non-chemical weed management: Principles, concepts and technology. CAB International.

Παραπομπή Chicago Style

Blackshaw, Robert E., και Mahesh K. Upadhyaya. Non-chemical Weed Management: Principles, Concepts and Technology. UK: CAB International, 2007.

Παραπομπή MLA

Blackshaw, Robert E., και Mahesh K. Upadhyaya. Non-chemical Weed Management: Principles, Concepts and Technology. CAB International, 2007.