APA استشهاد

Popek, E. P. (2003). Sampling and analysis of environmental chemical pollutants: A complete guide. Academic Press.

استشهاد بنمط شيكاغو

Popek, Emma P. Sampling and Analysis of Environmental Chemical Pollutants: A Complete Guide. San Diego: Academic Press, 2003.

MLA استشهاد

Popek, Emma P. Sampling and Analysis of Environmental Chemical Pollutants: A Complete Guide. Academic Press, 2003.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.