Dyfyniad APA
ebrary, Inc, Eng Ong, S., & Yu, S. (2002). World Valuation Congress. Emerald Group Publishing.
Dyfyniad Arddull Chicago
ebrary, Inc, Seow Eng Ong, and Shiming Yu. World Valuation Congress. Bradford, England: Emerald Group Publishing, 2002.
Dyfyniad MLA
ebrary, Inc, et al. World Valuation Congress. Emerald Group Publishing, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.