Gaya APA
The Practice of English Language Teaching. ().
New York:
Pearson Education Longman.
Gaya Chicago
The Practice of English Language Teaching.
Ed. 4.
New York:
Pearson Education Longman,
.
.
Gaya MLA
The Practice of English Language Teaching.
Ed. 4.
New York:
Pearson Education Longman,
.
.
Gaya Turabian
The Practice of English Language Teaching.
New York:
Pearson Education Longman,
.
.