Gaya APA

P.S I love you. (1999). Jakarta: Gramedia.

Gaya Chicago

P.S I love you. 1999. Jakarta: Gramedia, 1999. Text.

Gaya MLA

P.S I love you. 1999. Jakarta: Gramedia, 1999. Text.

Gaya Turabian

P.S I love you. Jakarta: Gramedia, 1999. Print.