ebrary, Inc, & de Ruyter, D. K. (2002). Research in e-service. Emerald Group Publishing.
芝加哥风格引文ebrary, Inc, 与 Dr. Ko de Ruyter. Research in E-service. Bradford, England: Emerald Group Publishing, 2002.
MLA引文ebrary, Inc, 与 Dr. Ko de Ruyter. Research in E-service. Emerald Group Publishing, 2002.
警告：这些引文格式不一定是100％准确.