Cita APA (7a ed.)
Hanna, M. S., & Gibson, J. W. (1989). Public speaking for personal success (2nd ed.). W.C. Brown.
Cita Chicago Style (17a ed.)
Hanna, Michael S., y James W. Gibson. Public Speaking for Personal Success. 2nd ed. Dubuque, Iowa: W.C. Brown, 1989.
Cita MLA (9a ed.)
Hanna, Michael S., y James W. Gibson. Public Speaking for Personal Success. 2nd ed. W.C. Brown, 1989.
Precaución: Estas citas no son 100% exactas.