Popek, E. P. (2003). Sampling and analysis of environmental chemical pollutants: A complete guide. USA: Academic Press.
استشهاد بنمط شيكاغوPopek, Emmap P. Sampling and Analysis of Environmental Chemical Pollutants: A Complete Guide. USA: Academic Press, 2003.
MLA استشهادPopek, Emmap P. Sampling and Analysis of Environmental Chemical Pollutants: A Complete Guide. USA: Academic Press, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.