Berthoff, Ann E. “Sapir and the Two Tasks of Language.” Semiotica, vol. 71, no. 1/2, Sept. 1988, pp. 1-47.
Lauer, Janice. Invention in Rhetoric and Composition. “Issues Over the Nature, Purpose, and Epistemology of Rhetorical Invention in the Twentieth Century.” Charles Bazerman, editor. West Lafayette, IN: Parlor Press, the WAC clearinghouse, 2004.
Lauer, Janice M. Invention in Rhetoric and Composition. West Lafayette, Ind. : Parlor Press ; [Fort Collins, Colo.] : WAC Clearinghouse, c2004., 2004. Reference guides to rhetoric and composition. EBSCOhost, ezproxy.gsu.edu/login?url=http://search.ebscohost.com/login.aspx?direct=true&db=cat05756a&AN=gsu.9920557593402952&site=eds-live&scope=site.
Berthoff, A. (1996). Problem-dissolving by triadic means. College English, 58 ( 1), 9-2 1.
Wow. By this time, Berthoff has her spiel down to the bone:
“In a triadic semiotic, the meaning relationship is conceived as having three terms: the symbol (or representamen, as C.S. Peirce called it), its referent (or object), and the interpretant, Peirce’s term for the idea which mediates the representation and what it represents” (my emphasis).