Gaya APA
RIYANTO, S.
(2010).
Essentials of English Grammar for Fluent English
(
cet.1)
.
Hoboken, NJ:
PUSTAKA PELAJAR.
Gaya MLA
RIYANTO, SLAMET.
"Essentials of English Grammar for Fluent English".
cet.1
Hoboken, NJ:
PUSTAKA PELAJAR,
2010.
Text.