Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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