Gaya APA

Prijosaksono, A., Erningpraja, I. (2003). There is more to life than what you have now enrich your life everyday / Aribowo Prijosaksono, Irianti Erningpraja . Jakarta: .

Gaya MLA

Prijosaksono, Aribowo., Erningpraja, Irianti. "There is more to life than what you have now enrich your life everyday / Aribowo Prijosaksono, Irianti Erningpraja". Jakarta: , 2003. Textbook.