1. The official site ISO.ORG. ISO/IEC 25000:2014 Systems and software engineering – Systems and software Quality Requirements and Evaluation (SQuaRE) – Guide to SQuaRE, available at: https://www.iso.org/standard/64764.html.
2. State standard off Ukraine (2001), “ISO 9000-2001 Systemy upravlinnja jakistju – osnovni polozhennja ta slovnyk (34108)” [ISO 9000-2001 Quality management systems - basic provisions and vocabulary (34108)], available at: https://dnaop.com/html/34108/doc-%D0%94%D0%A1%D0%A2%D0%A3_ISO_9000-2001.
3. The Institute of Electrical and Electronig Engeneers (11990), 610.12-1990 – IEEE Standard Glossary of Software Engineering Terminology, available at: www.mit.jyu.fi/ope/kurssit/TIES462/Materiaalit/IEEE_SoftwareEngGlossary.pdf.
4. DeMarco, T. (1999), Management Can Make Quality Impossible, Cutter IT Summit, Boston, 56 р.
5. Mandeville, W.A. (1990), Software costs of quality, IEEE Journal on Selected Areas in Communications, No. 8(2), pp. 315-318.