Gaya APA
SUMARSONO, D. (2019).
NEW BUSINESS MODEL FOR HOTEL INDUSTRI : WINNING COMPETITION .
JAKARTA:
PT.GRAMEDIA PUSTAKA UTAMA.
Gaya MLA
SUMARSONO, DICKY.
"NEW BUSINESS MODEL FOR HOTEL INDUSTRI : WINNING COMPETITION".
JAKARTA:
PT.GRAMEDIA PUSTAKA UTAMA,
2019.
Text.