American Chemical Society. Division of Agrochemicals, American Chemical Society. Division of Environmental Chemistry, American Chemical Society. Meeting, Nash, R. G., & Leslie, A. R. (1991). Groundwater residue sampling design. American Chemical Society.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Chemical Society. Division of Agrochemicals, American Chemical Society. Division of Environmental Chemistry, American Chemical Society. Meeting, Ralph G. Nash, و Anne R. Leslie. Groundwater Residue Sampling Design. Washington, DC: American Chemical Society, 1991.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)American Chemical Society. Division of Agrochemicals, et al. Groundwater Residue Sampling Design. American Chemical Society, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.