ebrary, Inc, Walters, D., & Rainbird, M. (2004). The value chain. Emerald Group Pub..
Chicago Style (17th ed.) Citationebrary, Inc, David Walters, and Mark Rainbird. The Value Chain. [Bradford, England]: Emerald Group Pub., 2004.
MLA引文ebrary, Inc, et al. The Value Chain. Emerald Group Pub., 2004.
警告:這些引文格式不一定是100%准確.