Παραπομπή APA

Dörken, H. (1976). Professional psychologist today: [new developments in law, health insurance, and health practice]. Jossey-Bass Publishers.

Παραπομπή Chicago Style

Dörken, Herbert. Professional Psychologist Today: [new Developments in Law, Health Insurance, and Health Practice]. San Francisco: Jossey-Bass Publishers, 1976.

Παραπομπή MLA

Dörken, Herbert. Professional Psychologist Today: [new Developments in Law, Health Insurance, and Health Practice]. Jossey-Bass Publishers, 1976.