Gaya APA

Wongso, A., Ing, A, W, L, Y. (2008). 20 Wisdom dan Success Classical Motivation Stories 4 . Jakarta: AW Publishing.

Gaya MLA

Wongso, Andrie., Ing, Agoeng, Widyatmoko,, Lam, Yok. "20 Wisdom dan Success Classical Motivation Stories 4". Jakarta: AW Publishing, 2008. Text / Book.