BELYAGER, B. (1963). The psychology of teaching foreign languages. Macmillan.
Chicago-čujuhus (17. p.)BELYAGER, Boris. The Psychology of Teaching Foreign Languages. Macmillan, 1963.
MLA-čujuhus (9. p.)BELYAGER, Boris. The Psychology of Teaching Foreign Languages. Macmillan, 1963.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.