Tack, A. (1974). How to overcome nervous tension and speak well in public. World's book.
Čikaški stil citiranjaTack, Albert. How to Overcome Nervous Tension and Speak Well in Public. Trowbridge: World's book, 1974.
MLA način citiranjaTack, Albert. How to Overcome Nervous Tension and Speak Well in Public. World's book, 1974.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.