Cita APA

Tack, A. (1993). How to overcome nervous tension and speak well in public.

Citación estilo Chicago

Tack, Alfred. How to Overcome Nervous Tension and Speak Well in Public. Mandarin Paperbacks:London, 1993.

Cita MLA

Tack, Alfred. How to Overcome Nervous Tension and Speak Well in Public. 1993.