Blackshaw, R. E., & Upadhyaya, M. K. (2007). Non-chemical weed management: Principles, concepts and technology. CAB International.
استشهاد بنمط شيكاغوBlackshaw, Robert E., و Mahesh K. Upadhyaya. Non-chemical Weed Management: Principles, Concepts and Technology. UK: CAB International, 2007.
MLA استشهادBlackshaw, Robert E., و Mahesh K. Upadhyaya. Non-chemical Weed Management: Principles, Concepts and Technology. CAB International, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.