Gaya APA
Touricm profile of Riau Indonesia. (1997).
Malang:
First Level Administration Province of Riau Toeurism Service.
Gaya Chicago
Touricm profile of Riau Indonesia.
.
Malang:
First Level Administration Province of Riau Toeurism Service,
1997.
Text.
Gaya MLA
Touricm profile of Riau Indonesia.
.
Malang:
First Level Administration Province of Riau Toeurism Service,
1997.
Text.
Gaya Turabian
Touricm profile of Riau Indonesia.
Malang:
First Level Administration Province of Riau Toeurism Service,
1997.
Print.