Gaya APA
Riyanto, S. (2008).
A Quick And Effective Strategy To Understand Listening Comprehension For Toefl Test .
Yogyakarta:
Pustaka Belajar.
Gaya MLA
Riyanto, Slamet.
"A Quick And Effective Strategy To Understand Listening Comprehension For Toefl Test".
Yogyakarta:
Pustaka Belajar,
2008.
Text.