Braun, David (2016). Zalta, Edward N., ed. «Indexicals». The Stanford Encyclopedia of Philosophy. The Metaphysics Research Lab, Center for the Study of Language and Information (CSLI), Stanford University. Consultado em 12 de fevereiro de 2017
ucla.edu
sscnet.ucla.edu
Hanks, William F. (1992). «Rethinking context: an introduction»(PDF). In: Goodwin, Charles; Duranti, Alessandro. Rethinking context: Language as an interactive phenomenon. Cambridge: Cambridge University Press. pp. 43–76. Consultado em 19 de fevereiro de 2017