De Ungria, L. A. (1988). United Doctors' Services, Inc. (UDSI): Case studies in business policy, financial management and human behavior in organization. Animo Repository.
استشهاد بنمط شيكاغوDe Ungria, Lydia A. United Doctors' Services, Inc. (UDSI): Case Studies in Business Policy, Financial Management and Human Behavior in Organization. Animo Repository, 1988.
MLA استشهادDe Ungria, Lydia A. United Doctors' Services, Inc. (UDSI): Case Studies in Business Policy, Financial Management and Human Behavior in Organization. Animo Repository, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.