Gaya APA
Varela, Barry. (2007).
Arctic Tale .
Washington:
National Geographic.
Gaya Chicago
Varela, Barry.
Arctic Tale.
Washington:
National Geographic,
2007.
Fiction.
Gaya MLA
Varela, Barry.
Arctic Tale.
Washington:
National Geographic,
2007.
Fiction.
Gaya Turabian
Varela, Barry.
Arctic Tale.
Washington:
National Geographic,
2007.
Fiction.