Buck, G. (2004). Assessing listening (1st publ.). Cambridge University Press.
Cita Chicago Style (17a ed.)Buck, Gary. Assessing Listening. 1st publ. Cambridge: Cambridge University Press, 2004.
Cita MLA (9a ed.)Buck, Gary. Assessing Listening. 1st publ. Cambridge University Press, 2004.
Precaución: Estas citas no son 100% exactas.