PETERS, J, H., AMEIJDE, L, V.(2003).Hospitality in Motion : State of the Art in Service Management .New Jersey:Gramedia Pustaka Utama.
Gaya MLA
PETERS, Jan, Hendrik., AMEIJDE, Lenny, Van."Hospitality in Motion : State of the Art in Service Management".New Jersey:Gramedia Pustaka Utama,2003.Text.