Underhill, N. (1987). Testing spoken language: A handbook of oral testing techniques. Cambridge University Press.
Chicago ZitierstilUnderhill, Nic. Testing Spoken Language: A Handbook of Oral Testing Techniques. Cambridge [Cambridgeshire] ; New York: Cambridge University Press, 1987.
MLA ZitierstilUnderhill, Nic. Testing Spoken Language: A Handbook of Oral Testing Techniques. Cambridge University Press, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.