Gaya APA
Riyanto, S, D. (2008).
Developing listening Skills For The Toeic Test / Slamet Riyanto;Leila Nh & Emilia Nh (Cet.1).
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Riyanto, Slamet,, Dkk.
"Developing listening Skills For The Toeic Test / Slamet Riyanto;Leila Nh & Emilia Nh".
Cet.1
Yogyakarta:
Pustaka Pelajar,
2008.
Text.