APA Style
Supriono, .
(2018).
Gerbang Masuk Pariwisata Indonesia
(
1)
.
Yogyakarta:
Deepublish.
MLA Style
Supriono, .
"Gerbang Masuk Pariwisata Indonesia".
1
Yogyakarta:
Deepublish,
2018.
Textbook.