Gaya APA
Reed, Sarah. (2001).
Questions and answer : Planet Earth .
London:
Kingfisher.
Gaya Chicago
Reed, Sarah.
Questions and answer : Planet Earth.
London:
Kingfisher,
2001.
Text.
Gaya MLA
Reed, Sarah.
Questions and answer : Planet Earth.
London:
Kingfisher,
2001.
Text.
Gaya Turabian
Reed, Sarah.
Questions and answer : Planet Earth.
London:
Kingfisher,
2001.
Print.