张凯元著. (2017). 慢销售，卖得快. 花山文艺出版社.
Chicago Style (17th ed.) Citation张凯元著. 慢销售，卖得快. 花山文艺出版社, 2017.
MLA (8th ed.) Citation张凯元著. 慢销售，卖得快. 花山文艺出版社, 2017.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation