ebrary, Inc, & Ehrstrom, H. J. (2009). Effects of liberalizing world agricultural trade. Nova Science.
Chicago Style (17th ed.) Citationebrary, Inc, and Henrick J. Ehrstrom. Effects of Liberalizing World Agricultural Trade. New York: Nova Science, 2009.
MLA引文ebrary, Inc, and Henrick J. Ehrstrom. Effects of Liberalizing World Agricultural Trade. Nova Science, 2009.
警告:這些引文格式不一定是100%准確.