Cita APA (7th ed.)
Crocker, L., & Hildebrangt, H. W. (1965). Public speaking for college students (4th ed.). American book.
Cita Chicago (17th ed.)
Crocker, Lionel, i Herbert W. Hildebrangt. Public Speaking for College Students. 4th ed. New York: American book, 1965.
Cita MLA (9th ed.)
Crocker, Lionel, i Herbert W. Hildebrangt. Public Speaking for College Students. 4th ed. American book, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.