Gaya APA
RIYANTO, S.
(2008).
ENGLISH FOR YOUR BETTER FUTURE: SPEAK ENGLISH, PLEASE
.
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
RIYANTO, SLAMET.
"ENGLISH FOR YOUR BETTER FUTURE: SPEAK ENGLISH, PLEASE".
Yogyakarta:
Pustaka Pelajar,
2008.
Text.