APA aipamena

American Evaluation Association. New directions for evaluation: New dir. eval. San Francisco: Jossey-Bass.

Chicago Style aipamena

American Evaluation Association. New Directions for Evaluation: New Dir. Eval. San Francisco: Jossey-Bass.

MLA aipamena

American Evaluation Association. New Directions for Evaluation: New Dir. Eval. San Francisco: Jossey-Bass.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.