ISO 9000 : an implementation guide for small to mid-sized businesses / Frank Voehl, Peter Jackson, David Ashton. — Florida : St. Lucie Press, 1994. — 261 p. ; 24 cm. — ISBN 1-884015-10-7 1. ISO 9000.2. Calidad - Normas.3. Empresas pequeñas y medianas. I. Jackson, Peter. II. Ashton, David. 658.562:334.713