Gaya APA

041112052, E, O. (2016). Analisis Alur Cerita Tragedi novel I Was Here karya Gayle Forman . Bogor: Fisib Unpak.

Gaya MLA

041112052, Endri, Oktavia/. "Analisis Alur Cerita Tragedi novel I Was Here karya Gayle Forman". Bogor: Fisib Unpak, 2016. Text.