ebrary, Inc, & Wager, F. C. (2011). Agricultural production. Nova Science Publishers.
芝加哥风格引文ebrary, Inc, 与 Felix C. Wager. Agricultural Production. New York: Nova Science Publishers, 2011.
MLA引文ebrary, Inc, 与 Felix C. Wager. Agricultural Production. Nova Science Publishers, 2011.
警告：这些引文格式不一定是100％准确.