APA সাইটেশন

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

শিকাগো স্টাইলে সাইটেশন

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

এমএলএ সাইটেশন

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