Gaya APA
Cambridge Advanced learner's dictionary. (2008).
sleman:
Maktabah Anu Salma 98.
Gaya Chicago
Cambridge Advanced learner's dictionary.
ed.3..
sleman:
Maktabah Anu Salma 98,
2008.
NONFIKSI.
Gaya MLA
Cambridge Advanced learner's dictionary.
ed.3..
sleman:
Maktabah Anu Salma 98,
2008.
NONFIKSI.
Gaya Turabian
Cambridge Advanced learner's dictionary.
sleman:
Maktabah Anu Salma 98,
2008.
NONFIKSI.