陈劲. (2017). 产品经理认证(NPDP)知识体系指南: New product development professional certification body of knowledge. 电子工业出版社.
Chicago-referens (17:e uppl.)陈劲. 产品经理认证(NPDP)知识体系指南: New Product Development Professional Certification Body of Knowledge. 电子工业出版社, 2017.
MLA-referens (8:e uppl.)陈劲. 产品经理认证(NPDP)知识体系指南: New Product Development Professional Certification Body of Knowledge. 电子工业出版社, 2017.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.