WEIHRICH HEINZ. (2008). MANAGEMENT: A GLOBAL AND ENTREPRENEURIAL PERSPECTIVE (12TH.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago-viite (17. p.)WEIHRICH HEINZ. MANAGEMENT: A GLOBAL AND ENTREPRENEURIAL PERSPECTIVE. 12TH. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2008.
MLA-viite (9. p.)WEIHRICH HEINZ. MANAGEMENT: A GLOBAL AND ENTREPRENEURIAL PERSPECTIVE. 12TH. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2008.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.