Dyfyniad APA
ebrary, Inc, & Plytycz, B. (2009). Earthworms for monitoring metal contamination. Nova Science.
Dyfyniad Arddull Chicago
ebrary, Inc, and Barbara Plytycz. Earthworms for Monitoring Metal Contamination. New York: Nova Science, 2009.
Dyfyniad MLA
ebrary, Inc, and Barbara Plytycz. Earthworms for Monitoring Metal Contamination. Nova Science, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.