温爽. (2008). 一线胜过专卖店: Effective calling can earn you more. 北京大学出版社.
Dyfyniad Arddull Chicago温爽. 一线胜过专卖店: Effective Calling Can Earn You More. 北京大学出版社, 2008.
Dyfyniad MLA温爽. 一线胜过专卖店: Effective Calling Can Earn You More. 北京大学出版社, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.