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