Hall, M. G. (2014). Problem management: An implementation guide for the real world. BCS The Chartered Institute for IT.
Chicago-viite (17. p.)Hall, Michael G. Problem Management: An Implementation Guide for the Real World. Wiltshire, England: BCS The Chartered Institute for IT, 2014.
MLA-viite (9. p.)Hall, Michael G. Problem Management: An Implementation Guide for the Real World. BCS The Chartered Institute for IT, 2014.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.