韩增海. (2011). 怎么说客户才会听 怎么做客户才会买: How to talk so customers will listen & do so customers will buy. 中华工商联合出版社.
Chicago-referens (17:e uppl.)韩增海. 怎么说客户才会听 怎么做客户才会买: How to Talk so Customers Will Listen & Do so Customers Will Buy. 中华工商联合出版社, 2011.
MLA-referens (8:e uppl.)韩增海. 怎么说客户才会听 怎么做客户才会买: How to Talk so Customers Will Listen & Do so Customers Will Buy. 中华工商联合出版社, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.