Sheffield, A. D. (1922). Joining in public discussion: A study of effective speechmaking for members of labor unions, conferences, forums and other discussion groups. New York: George H. Doran Company.
Cita Chicago Style (17a ed.)Sheffield, Alfred Dwight. Joining in Public Discussion: A Study of Effective Speechmaking for Members of Labor Unions, Conferences, Forums and Other Discussion Groups. New York: George H. Doran Company, 1922.
Cita MLA (8a ed.)Sheffield, Alfred Dwight. Joining in Public Discussion: A Study of Effective Speechmaking for Members of Labor Unions, Conferences, Forums and Other Discussion Groups. New York: George H. Doran Company, 1922.
Precaución: Estas citas no son 100% exactas.