Gaya APA
Harmer, Jeremy. (1991).
The Practice of English Language Teaching New Edition .
England:
Longman Group, Ltd..
Gaya Chicago
Harmer, Jeremy.
The Practice of English Language Teaching New Edition.
England:
Longman Group, Ltd.,
1991.
Text.
Gaya MLA
Harmer, Jeremy.
The Practice of English Language Teaching New Edition.
England:
Longman Group, Ltd.,
1991.
Text.
Gaya Turabian
Harmer, Jeremy.
The Practice of English Language Teaching New Edition.
England:
Longman Group, Ltd.,
1991.
Print.