Cita APA

Penny Ur. (1991). A course in language teaching: Practice and theory. Cambridge [England] ; New York: Cambridge University Press.

Citación estilo Chicago

Penny Ur. A Course in Language Teaching: Practice and Theory. Cambridge [England] ; New York: Cambridge University Press, 1991.

Cita MLA

Penny Ur. A Course in Language Teaching: Practice and Theory. Cambridge [England] ; New York: Cambridge University Press, 1991.