HARRIS, D. P. (1974). Testing english a second language. McGraw-Hill.
Chicago-čujuhus (17. p.)HARRIS, David P. Testing English a Second Language. Bombay: McGraw-Hill, 1974.
MLA-čujuhus (9. p.)HARRIS, David P. Testing English a Second Language. McGraw-Hill, 1974.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.