Gaya APA
Purwanti, Firliana, Agustine. (2010).
The 'O' project (1).
Jakarta:
Kepustakaan Populer Gramedia.
Gaya Chicago
Purwanti, Firliana, Agustine.
The 'O' project.
1
Jakarta:
Kepustakaan Populer Gramedia,
2010.
Text.
Gaya MLA
Purwanti, Firliana, Agustine.
The 'O' project.
1
Jakarta:
Kepustakaan Populer Gramedia,
2010.
Text.
Gaya Turabian
Purwanti, Firliana, Agustine.
The 'O' project.
1
Jakarta:
Kepustakaan Populer Gramedia,
2010.
Print.