Prochnow, H. V. (1949). The toastmaster's handbook. Prentice-Hall.
Chicago Style aipamenaProchnow, Herbert Vicrtor. The Toastmaster's Handbook. New York: Prentice-Hall, 1949.
MLA aipamenaProchnow, Herbert Vicrtor. The Toastmaster's Handbook. Prentice-Hall, 1949.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.