王晗. (2007). 请记住：回款比销售更重要: Cash is more important than selling. 北京邮电大学出版社.
Dyfyniad Arddull Chicago王晗. 请记住：回款比销售更重要: Cash Is More Important than Selling. 北京邮电大学出版社, 2007.
Dyfyniad MLA王晗. 请记住：回款比销售更重要: Cash Is More Important than Selling. 北京邮电大学出版社, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.