Burke, R. Project Management: Planning and control techniques (4thed.).
Chicago Style (17th ed.) ZitazioaBurke, Rory. Project Management: Planning and Control Techniques. 4thed.
MLA (9th ed.) ZitazioaBurke, Rory. Project Management: Planning and Control Techniques. 4thed.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.