Balwinder, S., & Dhaliwal, G. S. (1993). Pesticides: Thier Ecological Impact in developing countries. Commonwealth publishers.
Chicago Edition CitationBalwinder, Singh, i G S. Dhaliwal. Pesticides: Thier Ecological Impact in Developing Countries. New Delhi: Commonwealth publishers, 1993.
Cita MLABalwinder, Singh, i G S. Dhaliwal. Pesticides: Thier Ecological Impact in Developing Countries. Commonwealth publishers, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.