UNDERHILL, N. (1987). Testing spoken language: A handbook of oral testing.. Cambridge Univ. Press.
Chicago-čujuhus (17. p.)UNDERHILL, Nic. Testing Spoken Language: A Handbook of Oral Testing.. New York: Cambridge Univ. Press, 1987.
MLA-čujuhus (9. p.)UNDERHILL, Nic. Testing Spoken Language: A Handbook of Oral Testing.. Cambridge Univ. Press, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.