Ragsdale, N. N. (1999). Pesticides: Managing risks and optimizing benefits. Washington, DC: American Chemical Society.
استشهاد بنمط شيكاغوRagsdale, Nancy N. Pesticides: Managing Risks and Optimizing Benefits. Washington, DC: American Chemical Society, 1999.
MLA استشهادRagsdale, Nancy N. Pesticides: Managing Risks and Optimizing Benefits. Washington, DC: American Chemical Society, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.