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 (17e ed.) Bronvermelding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 (8e ed.) Bronvermelding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.
Let op: Deze citaties zijn niet altijd 100% accuraat.