Gaya APA
Burnie, David. (2004).
Endangered planet .
Boston:
Kingfisher.
Gaya Chicago
Burnie, David.
Endangered planet.
Boston:
Kingfisher,
2004.
Text.
Gaya MLA
Burnie, David.
Endangered planet.
Boston:
Kingfisher,
2004.
Text.
Gaya Turabian
Burnie, David.
Endangered planet.
Boston:
Kingfisher,
2004.
Print.