Cita APA (7th ed.)
Helgeson, J. W. (2009). The software audit guide. ASQ Quality Press.
Cita Chicago (17th ed.)
Helgeson, John W. The Software Audit Guide. Milwaukee, Wisconsin: ASQ Quality Press, 2009.
Cita MLA (9th ed.)
Helgeson, John W. The Software Audit Guide. ASQ Quality Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.