APA引文

Liebowitz, D. G. (1990). Practical vocabulary builder Blackline masters. USA: National textbook Company.

Trích dẫn kiểu Chicago

Liebowitz, Dorothy Gabel. Practical Vocabulary Builder Blackline Masters. USA: National textbook Company, 1990.

MLA引文

Liebowitz, Dorothy Gabel. Practical Vocabulary Builder Blackline Masters. USA: National textbook Company, 1990.

警告：這些引文格式不一定是100％准確.