Styl cytowania APA

Nixon, C. T., & Northrup, D. A. (1997). Evaluating mental health services. Sage Publications.

Styl cytowania Chicago

Nixon, Carol T., i Denine A. Northrup. Evaluating Mental Health Services. London: Sage Publications, 1997.

Styl cytowania MLA

Nixon, Carol T., i Denine A. Northrup. Evaluating Mental Health Services. Sage Publications, 1997.