Gaya APA
Walter, Elizabeth. (2005).
Cambridge Advanced Learner's .
Cambridge:
Cambridge University.
Gaya Chicago
Walter, Elizabeth.
Cambridge Advanced Learner's.
Cambridge:
Cambridge University,
2005.
Audiovisual.
Gaya MLA
Walter, Elizabeth.
Cambridge Advanced Learner's.
Cambridge:
Cambridge University,
2005.
Audiovisual.
Gaya Turabian
Walter, Elizabeth.
Cambridge Advanced Learner's.
Cambridge:
Cambridge University,
2005.
Audiovisual.