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.