Citace podle APA

Tack, A. (1974). How to overcome nervous tension and speak well in public. World's book.

Styl Chicago

Tack, Albert. How to Overcome Nervous Tension and Speak Well in Public. Trowbridge: World's book, 1974.

Citace podle MLA

Tack, Albert. How to Overcome Nervous Tension and Speak Well in Public. World's book, 1974.

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