Gaya APA
Riyanto, S.
(2002).
My Unforgetable Experience In Bali
.
yogyakarta:
Pustaka Pelajar.
Gaya MLA
Riyanto, Slamet.
"My Unforgetable Experience In Bali".
yogyakarta:
Pustaka Pelajar,
2002.
Buku.