APA引文

Helgesen. (1996). Active listening expanding: Understanding through content- Level 3. Cambridge: Cambridge University Press.

Trích dẫn kiểu Chicago

Helgesen. Active Listening Expanding: Understanding Through Content- Level 3. Cambridge: Cambridge University Press, 1996.

MLA引文

Helgesen. Active Listening Expanding: Understanding Through Content- Level 3. Cambridge: Cambridge University Press, 1996.

警告：这些引文格式不一定是100％准确.