O' Brien, M., & Houston, G. (2007). Integrative therapy: A practitioner's guide (2nd. ed.). Sage Publications.
Chicago Edition CitationO' Brien, Maja, i Gaie Houston. Integrative Therapy: A Practitioner's Guide. 2nd. ed. London: Sage Publications, 2007.
Cita MLAO' Brien, Maja, i Gaie Houston. Integrative Therapy: A Practitioner's Guide. 2nd. ed. Sage Publications, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.