Gaya APA

Sholikhah, I, M. et al (2005,2007). Listening 4: Strudents Book . Yogyakarta: Kanisius.

Gaya MLA

Sholikhah, Ika, Maratus. et al. "Listening 4: Strudents Book". Yogyakarta: Kanisius, 2005,2007. Text.