Gaya APA
Riyanto, S.
(2008).
A Quick and Effective Strategy To Prepare The TOEFL TEST
.
Yogyakarta:
Uluangkep Press.
Gaya MLA
Riyanto, Slamet.
"A Quick and Effective Strategy To Prepare The TOEFL TEST".
Yogyakarta:
Uluangkep Press,
2008.
Buku Tex.