Dale, R. (2004). Evaluating development programmes and projects (Second edition.). Sage.
Chicago-viite (17. p.)Dale, Reidar. Evaluating Development Programmes and Projects. Second edition. Thousand Oaks, Calif.: Sage, 2004.
MLA-viite (8. p.)Dale, Reidar. Evaluating Development Programmes and Projects. Second edition. Sage, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.