Gaya APA

Riyanto, S., NH., L, N, E. (2008). Developing Listening Skills For The Toeic Test (cet 1). Yogyakarta: Pustaka Pelajar.

Gaya MLA

Riyanto, Slamet., NH., Leila, NH.,, Emilia. "Developing Listening Skills For The Toeic Test". cet 1 Yogyakarta: Pustaka Pelajar, 2008. Text.