APA Citation

 Johnston, M. W. (2008).  Relationship selling.  McGraw-Hill/Irwin.

Trích dẫn kiểu Chicago

 Johnston, Mark W.  Relationship Selling.  McGraw-Hill/Irwin, 2008.

MLA Citation

 Johnston, Mark W.  Relationship Selling.  McGraw-Hill/Irwin, 2008.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.