ebrary, Inc. (2006). Customer loyalty, retention, and customer relationship management. Emerald Group Publishing.
芝加哥风格引文ebrary, Inc. Customer Loyalty, Retention, and Customer Relationship Management. Bradford, England: Emerald Group Publishing, 2006.
MLA引文ebrary, Inc. Customer Loyalty, Retention, and Customer Relationship Management. Emerald Group Publishing, 2006.
警告:这些引文格式不一定是100%准确.