Παραπομπή σε μορφή APA (7η εκδ.)

Gibbs, L. E. (2003). Evidence-based practice for the helping professions: A practical guide with integrated multimedia. Brooks/Cole-Thomson Learning.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gibbs, Leonard E. Evidence-based Practice for the Helping Professions: A Practical Guide with Integrated Multimedia. Pacific Grove, Calif: Brooks/Cole-Thomson Learning, 2003.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gibbs, Leonard E. Evidence-based Practice for the Helping Professions: A Practical Guide with Integrated Multimedia. Brooks/Cole-Thomson Learning, 2003.