Tilley, B. (1990). How to meet the assessment requirements of ISO 9000. S'pore : AMREP Quality Management Centre.
Chicago-čujuhus (17. p.)Tilley, Brian. How to Meet the Assessment Requirements of ISO 9000. S'pore : AMREP Quality Management Centre, 1990.
MLA-čujuhus (9. p.)Tilley, Brian. How to Meet the Assessment Requirements of ISO 9000. S'pore : AMREP Quality Management Centre, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.