Gaya APA
Trinity, ., Risdiayanto, I.
(2012).
The Naked Traveler 4
.
Yogyakarta:
Serambi Ilmu Semesta.
Gaya MLA
Trinity, ., Risdiayanto, Imam.
"The Naked Traveler 4".
Yogyakarta:
Serambi Ilmu Semesta,
2012.
Text.