APA Style
Purnomo, B., Tarjana, M, S, S.
(2019).
English for Tourism Services
.
Yogyakarta:
K-Media.
MLA Style
Purnomo, Budi., Tarjana, M., Sri, Samiati.
"English for Tourism Services".
Yogyakarta:
K-Media,
2019.
E-Book.