Gaya APA
Sugiantoro, R., [penyunt.], D, A, D.
(2001).
Tourism, trade, investment:
.
Yogyakarta:
Bigraf.
Gaya MLA
Sugiantoro, Ronny., [penyunt.], DANARTI, A.,, Dessy.
"Tourism, trade, investment:".
Yogyakarta:
Bigraf,
2001.
Buku.