APA Citatie

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

Chicago Style citaat

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

MLA citatie

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