Gaya APA
Mastering english for SMU 3. (2013).
Medan:
Murai Kencana.
Gaya Chicago
Mastering english for SMU 3.
ed.1.
Medan:
Murai Kencana,
2013.
SASTRA.
Gaya MLA
Mastering english for SMU 3.
ed.1.
Medan:
Murai Kencana,
2013.
SASTRA.
Gaya Turabian
Mastering english for SMU 3.
Medan:
Murai Kencana,
2013.
SASTRA.