APA引文

(2012). The Official Guide to The TOEFL Test Fourth Edition (Ada CD). Mc GrawHill.

Chicago Style (17th ed.) Citation

The Official Guide to The TOEFL Test Fourth Edition (Ada CD). Mc GrawHill, 2012.

MLA引文

The Official Guide to The TOEFL Test Fourth Edition (Ada CD). Mc GrawHill, 2012.

警告：这些引文格式不一定是100％准确.