Dale, R. (2004). Evaluating development programmes and projects (Second edition.). Sage.
Chicago Style aipamenaDale, Reidar. Evaluating Development Programmes and Projects. Second edition. Thousand Oaks, Calif.: Sage, 2004.
MLA aipamenaDale, Reidar. Evaluating Development Programmes and Projects. Second edition. Sage, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.