1. APQP, 2008. Advanced Product Quality Planning, CSJ Praha
2. Cieśla, J., 2021. The Theory and Practice of Testing the Quality Out-sourcing Services in the Automotive Industry, QPI, 3, 63-76, Poland, DOI: 10.2478/cqpi-2021-0007
3. Dian, M., 2018. The Quality as Fundamental Pillar of Sustainable Organization Success, Scholars' Press, Mauritius.
4. Dian, M., 2017. Process Capability Study in Serial Production of Au-tomotive parts, Zeszyty Naukowe, 1(6), Quality, Production, Improvements, Poland.
5. Fabian, F., Horalek, V., Krepela, J., Michalek, J., Chmelik, V., Chodunsky, J., Kral, J., 2007. Statisticke metody rizeni jakosti, CSJ, Praha, Czech Republic.