Gaya APA
Arini, Y, D.
(2008).
A Series Of Grammar Let's Study Modals (Ayo Belajar Modal )
.
Bandung:
Pakar Raya.
Gaya MLA
Arini, Yuniarti, D..
"A Series Of Grammar Let's Study Modals (Ayo Belajar Modal )".
Bandung:
Pakar Raya,
2008.
Text.