Góra, Justyna, and Joanna Smoluk-Sikorska. 2009. “Product Unconformable in the Light of Legal Regulations and the ISO 9001:2000 Standards”. Journal of Agribusiness and Rural Development 11 (1), 93-102. http://www1.up.poznan.pl/jard/index.php/jard/article/view/676.