Perry, M. P. (2011). Business driven project portfolio management: Conquering the top 10 risks that threaten success. J. Ross Pub..
Chicago-referens (17:e uppl.)Perry, Mark Price. Business Driven Project Portfolio Management: Conquering the Top 10 Risks That Threaten Success. Ft. Lauderdale, Fla.: J. Ross Pub., 2011.
MLA-referens (9:e uppl.)Perry, Mark Price. Business Driven Project Portfolio Management: Conquering the Top 10 Risks That Threaten Success. J. Ross Pub., 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.