Woolbert, C. H. (1934). Fundamentals of Speech: A textbook of delivery (tercera edición.). Harper & Brothers Publishers.
Citazione stile Chigago Style (17a edizione)Woolbert, Charles Henry. Fundamentals of Speech: A Textbook of Delivery. tercera edición. New York: Harper & Brothers Publishers, 1934.
Citatione MLA (9a ed.)Woolbert, Charles Henry. Fundamentals of Speech: A Textbook of Delivery. tercera edición. Harper & Brothers Publishers, 1934.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.