Gaya APA
Guide british education vol 2 2000/2001. (2000).
London:
British Counsil.
Gaya Chicago
Guide british education vol 2 2000/2001.
~.
London:
British Counsil,
2000.
Buku.
Gaya MLA
Guide british education vol 2 2000/2001.
~.
London:
British Counsil,
2000.
Buku.
Gaya Turabian
Guide british education vol 2 2000/2001.
London:
British Counsil,
2000.
Buku.