Gaya APA
Riyanto, S.
(2007).
TOEFL[Test Of English As A Foreign Language]
.
Yogyakarta:
Pustaka Belajar.
Gaya MLA
Riyanto, Slamet.
"TOEFL[Test Of English As A Foreign Language]".
Yogyakarta:
Pustaka Belajar,
2007.
Text.