APA引文

(1999). Cambridge Certificate in Advanced English 4: Cassette 2. [Б. м.], Cambridge University Press, 1999.

Chicago Style (17th ed.) Citation

Cambridge Certificate in Advanced English 4: Cassette 2. [Б. м.], Cambridge University Press, 1999, 1999.

MLA引文

Cambridge Certificate in Advanced English 4: Cassette 2. [Б. м.], Cambridge University Press, 1999, 1999.

警告：這些引文格式不一定是100％准確.