Gaya APA
Singaram, C.
(2012).
Foundation English : Activity Book 4
(
Cet. 2.--)
.
S.n.:
Fajar Baru.
Gaya MLA
Singaram, Christie.
"Foundation English : Activity Book 4".
Cet. 2.--
S.n.:
Fajar Baru,
2012.
Text.