APA

Chomsky N., Belletti A. & Rizzi L. (2002). On nature and language. Cambridge: Cambridge University Press.

Chicago

Chomsky Noam, Belletti Adriana and Rizzi Luigi. 2002. On nature and language. Cambridge: Cambridge University Press.

Harvard

Chomsky N., Belletti A. and Rizzi L. (2002). On nature and language. Cambridge: Cambridge University Press.

MLA

Chomsky Noam, Belletti Adriana and Rizzi Luigi. On nature and language. Cambridge: Cambridge University Press. 2002.