Gaya APA

Sumarsono, D. (2019). New Business Model For Hotel Industry : Winning Competition (Cet. 1). Jakarta: PT Gramedia Pustaka Utama.

Gaya MLA

Sumarsono, Dicky. "New Business Model For Hotel Industry : Winning Competition". Cet. 1 Jakarta: PT Gramedia Pustaka Utama, 2019. Text.