1. Appel, René, and Pieter Muysken. 2005. Language contact and bilingualism. Amsterdam: Amsterdam University Press.
2. Auer, Peter. 1995. The pragmatics of code-switching: a sequential approach. In One Speaker, Two Languages: Cross-Disciplinary Perspectives on Code-Switching, eds. Lesley Milroy and Pieter Muysken, 115- 135. Cambridge: Cambridge University Press.
3. ———. 2000. A conversation analytic approach to code-switching and transfer. In The Bilingualism Reader, ed. Li Wei, 154–174. London: Routledge.
4. ———. 2007. The pragmatics of code-switching: a sequential approach. In The bilingualism XE “Bilingualism” reader, ed. Li Wei, 122–138. London: Routledge.
5. Auer, Peter, and Carol M. Eastman. 2010. Code-switching. In Society and language use, ed. Jürgen. Jaspers, Jef Verschueren, and Jan-Ola. Östman, 84–113. Amsterdam/Philadelphia: John Benjamins Publishing.