丹尼 & 灵思泉. (2009). 换个思维找客户: Winning new business. 京华出版社.
Citación estilo Chicago丹尼 and 灵思泉. 换个思维找客户: Winning New Business. 京华出版社, 2009.
Cita MLA丹尼 and 灵思泉. 换个思维找客户: Winning New Business. 京华出版社, 2009.
警告：这些引文格式不一定是100％准确.
Cita APA