丹尼 & 灵思泉. (2009). 换个思维找客户: Winning new business. 京华出版社.
Dyfyniad Arddull Chicago丹尼 and 灵思泉. 换个思维找客户: Winning New Business. 京华出版社, 2009.
Dyfyniad MLA丹尼 and 灵思泉. 换个思维找客户: Winning New Business. 京华出版社, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.