Gaya APA
Alexander, L. G.. (2008).
Developing Skills (Cet.1).
London:
Longman Group Limited.
Gaya Chicago
Alexander, L. G..
Developing Skills.
Cet.1
London:
Longman Group Limited,
2008.
Text.
Gaya MLA
Alexander, L. G..
Developing Skills.
Cet.1
London:
Longman Group Limited,
2008.
Text.
Gaya Turabian
Alexander, L. G..
Developing Skills.
Cet.1
London:
Longman Group Limited,
2008.
Print.