ebrary, Inc, Eng Ong, S., & Yu, S. (2002). World Valuation Congress. Emerald Group Publishing.
芝加哥风格引文ebrary, Inc, Seow Eng Ong, 与 Shiming Yu. World Valuation Congress. Bradford, England: Emerald Group Publishing, 2002.
MLA引文ebrary, Inc, et al. World Valuation Congress. Emerald Group Publishing, 2002.
警告：这些引文格式不一定是100％准确.