ebrary, Inc, & Hill, R. A. (2012). Feed efficiency in the beef industry. Wiley-Blackwell.
Chicago Style (17th ed.) Citationebrary, Inc, and Rodney A. Hill. Feed Efficiency in the Beef Industry. Ames, Iowa: Wiley-Blackwell, 2012.
MLA引文ebrary, Inc, and Rodney A. Hill. Feed Efficiency in the Beef Industry. Wiley-Blackwell, 2012.
警告:這些引文格式不一定是100%准確.