APA

Rivers W. M., . (1983). Communicating naturally in a second language. Cambridge [Cambridgeshire] ; New York: Cambridge University Press.

Chicago

Rivers Wilga M, . 1983. Communicating naturally in a second language. Cambridge [Cambridgeshire] ; New York: Cambridge University Press.

Harvard

Rivers W. M., . (1983). Communicating naturally in a second language. Cambridge [Cambridgeshire] ; New York: Cambridge University Press.

MLA

Rivers Wilga M, . Communicating naturally in a second language. Cambridge [Cambridgeshire] ; New York: Cambridge University Press. 1983.