Gaya APA
Riyanto, S. (2008).
English for Your Better Future Speak English, Please: Ayo Ngomong Inggris (-1).
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Riyanto, Slamet.
"English for Your Better Future Speak English, Please: Ayo Ngomong Inggris".
-1
Yogyakarta:
Pustaka Pelajar,
2008.
Text.