Gaya APA
Badger, Ian. (1993).
Trainer's guide pre-intermediate .
London:
Macmillan.
Gaya Chicago
Badger, Ian.
Trainer's guide pre-intermediate.
London:
Macmillan,
1993.
Text.
Gaya MLA
Badger, Ian.
Trainer's guide pre-intermediate.
London:
Macmillan,
1993.
Text.
Gaya Turabian
Badger, Ian.
Trainer's guide pre-intermediate.
London:
Macmillan,
1993.
Print.