Hahner, J. C. (2002). Speaking clearly: Improving voice and diction. New York: McGraw-Hill.
Čikaški stil citiranjaHahner, Jeffrey C. Speaking Clearly: Improving Voice and Diction. New York: McGraw-Hill, 2002.
MLA način citiranjaHahner, Jeffrey C. Speaking Clearly: Improving Voice and Diction. New York: McGraw-Hill, 2002.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.