Gaya APA
Ryanto, S. (2007).
A. Quick And Effective Strategy To Understad Listening Comperehension For Toefl Test .
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Ryanto, Slamet.
"A. Quick And Effective Strategy To Understad Listening Comperehension For Toefl Test".
Yogyakarta:
Pustaka Pelajar,
2007.
.