Gaya APA
HSU, C, H. et al
(2018).
Tourism the Business of Hospitality and Travel
(
Sixth Edition)
.
UK:
Pearson.
Gaya MLA
HSU, Cathy, H.C.. et al.
"Tourism the Business of Hospitality and Travel".
Sixth Edition
UK:
Pearson,
2018.
BUKU.