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.