[1] NENADÁL, J. - NOSKIEVIČOVÁ, D. - PETŘÍKOVÁ, R. - PLURA, J.- TOŠENOVSKÝ, J. Modern quality system. Prague. Management Press. 2000, 282 s.
[2] SKALÍK, P. Attestation of conformity products.[online] 2007.
[3] Collection of Laws – law No.22/1997 Sb. in valid wording
[4] Set norms series ISO 9000