Gaya APA
Alexander, L.G.. (1980).
Practice and progress : an integrated course for pre intermediate students .
London:
Longman Group.
Gaya Chicago
Alexander, L.G..
Practice and progress : an integrated course for pre intermediate students.
London:
Longman Group,
1980.
Text.
Gaya MLA
Alexander, L.G..
Practice and progress : an integrated course for pre intermediate students.
London:
Longman Group,
1980.
Text.
Gaya Turabian
Alexander, L.G..
Practice and progress : an integrated course for pre intermediate students.
London:
Longman Group,
1980.
Print.