Dyfyniad APA

Survey, U. S. G. (2009). Pesticides in Stream Sediment and Aquatic Biota: Distribution, Trends, and Governing Factors. CRC Press.

Dyfyniad Arddull Chicago

Survey, U. S. Geological. Pesticides in Stream Sediment and Aquatic Biota: Distribution, Trends, and Governing Factors. CRC Press, 2009.

Dyfyniad MLA

Survey, U. S. Geological. Pesticides in Stream Sediment and Aquatic Biota: Distribution, Trends, and Governing Factors. CRC Press, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.