APA引文

Swan Michael, & Catherine Walter. Cambridge english course: Student's book 3. Cambridge University Press.

Trích dẫn kiểu Chicago

Swan Michael, và Catherine Walter. Cambridge English Course: Student's Book 3. Cambridge University Press.

MLA引文

Swan Michael, và Catherine Walter. Cambridge English Course: Student's Book 3. Cambridge University Press.

警告：这些引文格式不一定是100％准确.