Gaya APA
Suwito, Ragil. (2009).
Geography 3 .
Hoboken, NJ:
Wiley.
Gaya Chicago
Suwito, Ragil.
Geography 3.
Hoboken, NJ:
Wiley,
2009.
Text.
Gaya MLA
Suwito, Ragil.
Geography 3.
Hoboken, NJ:
Wiley,
2009.
Text.
Gaya Turabian
Suwito, Ragil.
Geography 3.
Hoboken, NJ:
Wiley,
2009.
Print.