Krishnan, P., & Mahadevan, K. (1992). The elderly population in developed and developing world: Policies, problems and perspectives.
استشهاد بنمط شيكاغوKrishnan, P., و K. Mahadevan. The Elderly Population in Developed and Developing World: Policies, Problems and Perspectives. New Delhi, B R Publishing Corporation, 1992.
MLA استشهادKrishnan, P., و K. Mahadevan. The Elderly Population in Developed and Developing World: Policies, Problems and Perspectives. 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.