Citazione Stile APA (7a Edizione)

Jaffe, C. (2007). Public speaking: Concepts and skills for a diverse society (5 th ed.). THOMSON.

Citazione stile Chigago Style (17a edizione)

Jaffe, Clella. Public Speaking: Concepts and Skills for a Diverse Society. 5 th ed. Australia: THOMSON, 2007.

Citatione MLA (9a ed.)

Jaffe, Clella. Public Speaking: Concepts and Skills for a Diverse Society. 5 th ed. THOMSON, 2007.