Gaya APA
Riyanto, S, ;. (2011).
Practical Idioms In English / Drs. Slamet Riyanto M. Pd. (1).
Yogyakarta ::
PUSTAKA PELAJAR,.
Gaya MLA
Riyanto, Slamet, ;.
"Practical Idioms In English / Drs. Slamet Riyanto M. Pd.".
1
Yogyakarta ::
PUSTAKA PELAJAR,,
2011.
.