Gaya APA
Adha, K.
(2013).
Step by Step Bisnis Tour and Travel
(
Cet. 1)
.
Yogyakarta:
Suka buku.
Gaya MLA
Adha, Kholifatul.
"Step by Step Bisnis Tour and Travel".
Cet. 1
Yogyakarta:
Suka buku,
2013.
Text.