Gaya APA
Petra, Monica.. (2011).
Circle of Love. .
Jakarta:
Gramedia Pustaka Utama.
Gaya Chicago
Petra, Monica..
Circle of Love..
Jakarta:
Gramedia Pustaka Utama,
2011.
Text.
Gaya MLA
Petra, Monica..
Circle of Love..
Jakarta:
Gramedia Pustaka Utama,
2011.
Text.
Gaya Turabian
Petra, Monica..
Circle of Love..
Jakarta:
Gramedia Pustaka Utama,
2011.
Print.