Woolbert, C. H. (1934). Fundamentals of Speech: A textbook of delivery (tercera edición.). Harper & Brothers Publishers.
Čikaški stil citiranja (17. izdanje)Woolbert, Charles Henry. Fundamentals of Speech: A Textbook of Delivery. tercera edición. New York: Harper & Brothers Publishers, 1934.
MLA način citiranja (9. izdanje)Woolbert, Charles Henry. Fundamentals of Speech: A Textbook of Delivery. tercera edición. Harper & Brothers Publishers, 1934.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.