TACK ALFRED. (1986). HIGH QUALITY MANAGER. GOWER.
Chicago-čujuhus (17. p.)TACK ALFRED. HIGH QUALITY MANAGER. ENGLAND: GOWER, 1986.
MLA-čujuhus (9. p.)TACK ALFRED. HIGH QUALITY MANAGER. GOWER, 1986.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.