Tilley, B. (1990). How to meet the assessment requirements of ISO 9000. S'pore : AMREP Quality Management Centre.
Cita Chicago (17th ed.)Tilley, Brian. How to Meet the Assessment Requirements of ISO 9000. S'pore : AMREP Quality Management Centre, 1990.
Cita MLA (9th ed.)Tilley, Brian. How to Meet the Assessment Requirements of ISO 9000. S'pore : AMREP Quality Management Centre, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.