APA (7th ed.) Citation

Helgason, S., & Ala-Harja, M. (1999). Improving evaluation practices: Best practice guidelines for evaluation and background paper. OECD.

Chicago Style (17th ed.) Citation

Helgason, Sigurður, and Marjukka Ala-Harja. Improving Evaluation Practices: Best Practice Guidelines for Evaluation and Background Paper. Paris, France: OECD, 1999.

MLA (9th ed.) Citation

Helgason, Sigurður, and Marjukka Ala-Harja. Improving Evaluation Practices: Best Practice Guidelines for Evaluation and Background Paper. OECD, 1999.