Aribowo, P., Irianti, E.(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.