Gaya APA
Slater, S., Basch, H. (1995).
Fielding's guide to worldwide cruises 1996 .
California:
Fielding Worldwide, Inc..
Gaya MLA
Slater, Shirley., Basch, Harry.
"Fielding's guide to worldwide cruises 1996".
California:
Fielding Worldwide, Inc.,
1995.
BUKU.