APA引文

Jan Bell. (1990). Longman intermediate listening skills: Soundings. London: Longman.

Trích dẫn kiểu Chicago

Jan Bell. Longman Intermediate Listening Skills: Soundings. London: Longman, 1990.

MLA引文

Jan Bell. Longman Intermediate Listening Skills: Soundings. London: Longman, 1990.

警告：這些引文格式不一定是100％准確.