Gaya APA

CHA, D, S., Hardiman, I. (2019). New Business Model For Hotel Industry: WINNING COMPETITION . Jakarta: PT GRAMEDIA PUSTAKA UTAMA.

Gaya MLA

CHA, Dicky, Sumarsono,., Hardiman, Intarina. "New Business Model For Hotel Industry: WINNING COMPETITION". Jakarta: PT GRAMEDIA PUSTAKA UTAMA, 2019. Text.