APA Style
Riyanto, S. et al (2008).
Developing listening skills for the Toeic test / Slamet Riyanto (Cet.1).
Yogyakarta:
Pustaka Pelajar.
MLA Style
Riyanto, Slamet. et al.
"Developing listening skills for the Toeic test / Slamet Riyanto".
Cet.1
Yogyakarta:
Pustaka Pelajar,
2008.
Text.