(1992). The elderly population in developed and developing world: Policies, problems and perspectives. B. R. Publishing Corporation.
Chicago Style aipamenaThe Elderly Population in Developed and Developing World: Policies, Problems and Perspectives. Delhi: B. R. Publishing Corporation, 1992.
MLA aipamenaThe Elderly Population in Developed and Developing World: Policies, Problems and Perspectives. B. R. Publishing Corporation, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.