DAY, J. (1968). An advanced English practice Course. Longman.
Chicago-čujuhus (17. p.)DAY, James. An Advanced English Practice Course. London: Longman, 1968.
MLA-čujuhus (9. p.)DAY, James. An Advanced English Practice Course. Longman, 1968.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.