Gaya APA
dkk, D, M, M.
(1994).
Comunicative English 1 Semester 2
.
Malang:
IKIP Malang.
Gaya MLA
dkk, Drs., Murdibjono,, MA,.
"Comunicative English 1 Semester 2".
Malang:
IKIP Malang,
1994.
Text.