FOSTER, W. T. Argumentation and debating, Boston & New York : Houghton Mifflin company.
O’NEILL, J. M. Argumentation and debate, New York : The Macmillan Company.
REEVES, J. W. The fundamentals of argumentation and debate, Trenton, N. J. : MacCrellish & Quigley company.
Last modified: 10/21/2010