ebrary, Inc, & Plytycz, B. (2009). Earthworms for monitoring metal contamination. Nova Science.
芝加哥风格引文ebrary, Inc, 与 Barbara Plytycz. Earthworms for Monitoring Metal Contamination. New York: Nova Science, 2009.
MLA引文ebrary, Inc, 与 Barbara Plytycz. Earthworms for Monitoring Metal Contamination. Nova Science, 2009.
警告：这些引文格式不一定是100％准确.