↑ Corbett, E. P. J. (1990). Classical rhetoric for the modern student. New York: Oxford University Press., p. 1.; Young, R. E., Becker, A. L., & Pike, K. L. (1970). Rhetoric: discovery and change. New York,: Harcourt Brace & World. p. 1.
↑ See, for instance Parlor, Burkean; Johnstone, Henry W. (1996). "On schiappa versus poulakos". Rhetoric Review. 14: 438–440. doi:10.1080/07350199609389075.
