APA (7th ed.) Citation

(1997). How to prepare for the toefl test: Test of English as a foriegn language. k.nxb.

Chicago Style (17th ed.) Citation

How to Prepare for the Toefl Test: Test of English as a Foriegn Language. Hà Nội: k.nxb, 1997.

MLA (9th ed.) Citation

How to Prepare for the Toefl Test: Test of English as a Foriegn Language. k.nxb, 1997.

Warning: These citations may not always be 100% accurate.