Gaya APA
Riyanto, S.
(2012).
The 1st Student's Choice Idiomatic Expression in English
.
Yogyakarta:
ANDI.
Gaya MLA
Riyanto, Slamet.
"The 1st Student's Choice Idiomatic Expression in English".
Yogyakarta:
ANDI,
2012.
Text.