FLORA DEBORA FLORIS. (2007). Success In Academic English: English For General Academic Purposes. Yogyakarta: Graha Ilmu.
Chicago Style aipamenaFLORA DEBORA FLORIS. Success In Academic English: English For General Academic Purposes. Yogyakarta: Graha Ilmu, 2007.
MLA aipamenaFLORA DEBORA FLORIS. Success In Academic English: English For General Academic Purposes. Yogyakarta: Graha Ilmu, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.