Gaya APA
Indonesia Heroes Stories. (2008).
Surabaya:
Crown publishers.
Gaya Chicago
Indonesia Heroes Stories.
Cet-2.
Surabaya:
Crown publishers,
2008.
Text.
Gaya MLA
Indonesia Heroes Stories.
Cet-2.
Surabaya:
Crown publishers,
2008.
Text.
Gaya Turabian
Indonesia Heroes Stories.
Surabaya:
Crown publishers,
2008.
Print.