Gaya APA
HORNBY, ., Hornby, A. (s.a).
oxford advanced Learner's dictionary of current english (7th edition).
Oxford:
university pres.
Gaya MLA
HORNBY, ., Hornby, AS.
"oxford advanced Learner's dictionary of current english".
7th edition
Oxford:
university pres,
s.a.
Text.