Gaya APA
Ezra, J. (2006).
Success Through Character: Sukses Melalui Karakter .
Yogyakarta:
Founding Member CBA Indonesia.
Gaya MLA
Ezra, Jakoep.
"Success Through Character: Sukses Melalui Karakter".
Yogyakarta:
Founding Member CBA Indonesia,
2006.
Text.