Gaya APA
Riyanto, S.
(2008).
A Quick and Effective Strategy To Prepare The TOEFL Test
.
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Riyanto, Slamet.
"A Quick and Effective Strategy To Prepare The TOEFL Test".
Yogyakarta:
Pustaka Pelajar,
2008.
Text.