Gaya APA
ERNINGPRAJA, A, P, I. (2003).
Self Management Series : ENRICH YOUR LIFE EVERYDAY .
Jakarta:
PT. Gramedia.
Gaya MLA
ERNINGPRAJA, ARIBOWO, PRIJOSAKSONO, IRIANTI.
"Self Management Series : ENRICH YOUR LIFE EVERYDAY".
Jakarta:
PT. Gramedia,
2003.
Text.