Gaya APA
Watt, Franklin, Palmer Joy. (2001).
Daerah Kutub .
Jakarta:
Watts Book.
Gaya Chicago
Watt, Franklin, Palmer Joy.
Daerah Kutub.
Jakarta:
Watts Book,
2001.
Text.
Gaya MLA
Watt, Franklin, Palmer Joy.
Daerah Kutub.
Jakarta:
Watts Book,
2001.
Text.
Gaya Turabian
Watt, Franklin, Palmer Joy.
Daerah Kutub.
Jakarta:
Watts Book,
2001.
Print.