Gaya APA

Riyanto, S. (2008). Developing Listening Skills For The Toeic Test / Slamet Riyanto (Cet. 1). Yogyakarta: Pustaka Pelajar.

Gaya MLA

Riyanto, Slamet. "Developing Listening Skills For The Toeic Test / Slamet Riyanto". Cet. 1 Yogyakarta: Pustaka Pelajar, 2008. Text.