Gaya APA
Riyanto, S. (2008).
ENGLISH FOR YOUR BETTER FUTURE : SPEAK ENGLISH, PLEASE, Ayo Ngomong Inggris .
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Riyanto, Slamet.
"ENGLISH FOR YOUR BETTER FUTURE : SPEAK ENGLISH, PLEASE, Ayo Ngomong Inggris".
Yogyakarta:
Pustaka Pelajar,
2008.
Text.