APA aipamena

Keeling, R. (2000). Project management: An international perspective. Basingstoke: Macmillan.

Chicago Style aipamena

Keeling, Ralph. Project Management: An International Perspective. Basingstoke: Macmillan, 2000.

MLA aipamena

Keeling, Ralph. Project Management: An International Perspective. Basingstoke: Macmillan, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.