Gaya APA

Sones, S., Simamora, M. (2011). What My Girlfriend Doesn't Know = Ssst... Jangan Bilang-Bilang Cewekku! . Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Sones, Sonya., Simamora, Meliana. "What My Girlfriend Doesn't Know = Ssst... Jangan Bilang-Bilang Cewekku!". Jakarta: Gramedia Pustaka Utama, 2011. Text.