Dyfyniad APA
ebrary, Inc, & Tax, S. (2003). Service quality: Crossing boundaries. Emerald Group Publishing.
Dyfyniad Arddull Chicago
ebrary, Inc, and Steve Tax. Service Quality: Crossing Boundaries. Bradford, England: Emerald Group Publishing, 2003.
Dyfyniad MLA
ebrary, Inc, and Steve Tax. Service Quality: Crossing Boundaries. Emerald Group Publishing, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.