Gaya APA
Claybourne, Anna, Doherty, Gillian, Treays, Rebecca. (2003).
Ensiklopedia planet bumi .
Jakarta:
Erlangga.
Gaya Chicago
Claybourne, Anna, Doherty, Gillian, Treays, Rebecca.
Ensiklopedia planet bumi.
Jakarta:
Erlangga,
2003.
Ensiklopedia.
Gaya MLA
Claybourne, Anna, Doherty, Gillian, Treays, Rebecca.
Ensiklopedia planet bumi.
Jakarta:
Erlangga,
2003.
Ensiklopedia.
Gaya Turabian
Claybourne, Anna, Doherty, Gillian, Treays, Rebecca.
Ensiklopedia planet bumi.
Jakarta:
Erlangga,
2003.
Ensiklopedia.