Gaya APA
Choedori, A. et al
(2004).
Communicative English For Beginners 5
(
Cet. 1)
.
Surabaya:
SIC.
Gaya MLA
Choedori, Anwar. et al.
"Communicative English For Beginners 5".
Cet. 1
Surabaya:
SIC,
2004.
Text.