APA Style
RIYANTO, S.
(2010).
Essentials of English Vocabularies for Fluent Speaking
.
Yogyakarta:
Pustaka Pelajar.
MLA Style
RIYANTO, SLAMEt.
"Essentials of English Vocabularies for Fluent Speaking".
Yogyakarta:
Pustaka Pelajar,
2010.
Text.