Wongso, A. (2004). 20 Wisdom dan Success: Classical Motivation Stories 4/ Andrie Wongso. Jakarta : AW Publishing.
Chicago-viite (17. p.)Wongso, Andrie. 20 Wisdom Dan Success: Classical Motivation Stories 4/ Andrie Wongso. Jakarta : AW Publishing, 2004.
MLA-viite (8. p.)Wongso, Andrie. 20 Wisdom Dan Success: Classical Motivation Stories 4/ Andrie Wongso. Jakarta : AW Publishing, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.