Gaya APA

RIYANTO, S. (2008). DEVELOPING LISTENING SKILLS FOR THE TOEIC TEST (-). YOGYAKARTA: PUSTAKA PELAJAR.

Gaya MLA

RIYANTO, SLAMET. "DEVELOPING LISTENING SKILLS FOR THE TOEIC TEST". - YOGYAKARTA: PUSTAKA PELAJAR, 2008. Text.