ULRICH DAVE. (2003). WHY THE BOTTOM LINE ISN`T!: HOW TO BUILD VALUE THROUGH PEOPLE? JOHN WILEY AND SONS.
Chicago-viite (17. p.)ULRICH DAVE. WHY THE BOTTOM LINE ISN`T!: HOW TO BUILD VALUE THROUGH PEOPLE? NEW JERSEY: JOHN WILEY AND SONS, 2003.
MLA-viite (9. p.)ULRICH DAVE. WHY THE BOTTOM LINE ISN`T!: HOW TO BUILD VALUE THROUGH PEOPLE? JOHN WILEY AND SONS, 2003.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.