Gaya APA
Cambridge advanced learner's dictionary. (2005).
sleman:
Maktabah Anu Salma 98.
Gaya Chicago
Cambridge advanced learner's dictionary.
ed.2..
sleman:
Maktabah Anu Salma 98,
2005.
NONFIKSI.
Gaya MLA
Cambridge advanced learner's dictionary.
ed.2..
sleman:
Maktabah Anu Salma 98,
2005.
NONFIKSI.
Gaya Turabian
Cambridge advanced learner's dictionary.
sleman:
Maktabah Anu Salma 98,
2005.
NONFIKSI.