APA引文

(1996). Practice tests for IELTS [ada kaset]. IALF.

Chicago Style (17th ed.) Citation

Practice Tests for IELTS [ada Kaset]. IALF, 1996.

MLA引文

Practice Tests for IELTS [ada Kaset]. IALF, 1996.

警告：这些引文格式不一定是100％准确.