Gaya APA
Riyanto, S. (2004).
Gateway English Through Stories: A Successful Foreign Language Guide (Cet. 2).
Yogyakarta:
PUSTAKA PELAJAR.
Gaya MLA
Riyanto, Slamet.
"Gateway English Through Stories: A Successful Foreign Language Guide".
Cet. 2
Yogyakarta:
PUSTAKA PELAJAR,
2004.
Text.