Gaya APA
BBC English dictionary. (2012).
tempaterbit:
penerbit.
Gaya Chicago
BBC English dictionary.
Edisi.
tempaterbit:
penerbit,
2012.
Text.
Gaya MLA
BBC English dictionary.
Edisi.
tempaterbit:
penerbit,
2012.
Text.
Gaya Turabian
BBC English dictionary.
tempaterbit:
penerbit,
2012.
Print.