Gaya APA
Alexander, L.G.. (1988).
Longman English Grammar (2).
New York:
Longman Group Limited.
Gaya Chicago
Alexander, L.G..
Longman English Grammar.
2
New York:
Longman Group Limited,
1988.
Text.
Gaya MLA
Alexander, L.G..
Longman English Grammar.
2
New York:
Longman Group Limited,
1988.
Text.
Gaya Turabian
Alexander, L.G..
Longman English Grammar.
2
New York:
Longman Group Limited,
1988.
Print.