APA citiranje

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 citiranje

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

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