ebrary, Inc. (2005). Customer relationship management: An Emerald guide. Emerald Group Publishing.
芝加哥风格引文ebrary, Inc. Customer Relationship Management: An Emerald Guide. Bradford, England: Emerald Group Publishing, 2005.
MLA引文ebrary, Inc. Customer Relationship Management: An Emerald Guide. Emerald Group Publishing, 2005.
警告：这些引文格式不一定是100％准确.