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