APA引文

Catherine Walter. (1993). The new Cambridge English course testbook ; T4 ( Upper-Intermediate ). Cambridge, UK: Cambridge Univ. Press.

Trích dẫn kiểu Chicago

Catherine Walter. The New Cambridge English Course Testbook ; T4 ( Upper-Intermediate ). Cambridge, UK: Cambridge Univ. Press, 1993.

MLA引文

Catherine Walter. The New Cambridge English Course Testbook ; T4 ( Upper-Intermediate ). Cambridge, UK: Cambridge Univ. Press, 1993.

警告：這些引文格式不一定是100％准確.