Citazione APA

Ur, P. (1991). A course in language teaching: Practice and theory. Cambridge, NY: Cambridge University Press.

Stile di citazione Chicago

Ur, Penny. A Course in Language Teaching: Practice and Theory. Cambridge, NY: Cambridge University Press, 1991.

Citazione MLA

Ur, Penny. A Course in Language Teaching: Practice and Theory. Cambridge, NY: Cambridge University Press, 1991.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.