Gaya APA
What my girlfriend doesn't know: Ssst...jangan bilang-bilang cewekku. (2007).
Jakarta:
PT Gramedia Pustaka Utama.
Gaya MLA
What my girlfriend doesn't know: Ssst...jangan bilang-bilang cewekku.
.
Jakarta:
PT Gramedia Pustaka Utama,
2007.
Text.