APA Style
Purba, Daniel P., Sumiharti, Yati. (2008).
Words of Wisdom : Enthusiasm .
Jakarta:
Esensi.
Chicago Style
Purba, Daniel P., Sumiharti, Yati.
Words of Wisdom : Enthusiasm.
Jakarta:
Esensi,
2008.
Text.
MLA Style
Purba, Daniel P., Sumiharti, Yati.
Words of Wisdom : Enthusiasm.
Jakarta:
Esensi,
2008.
Text.
Turabian Style
Purba, Daniel P., Sumiharti, Yati.
Words of Wisdom : Enthusiasm.
Jakarta:
Esensi,
2008.
Print.