Sumner, G., & Smith, R. (1969). Planning local authority services for the elderly. Allen & Unwin.
Čikaški stil citiranja (17. izdanje)Sumner, Greta, i Randall Smith. Planning Local Authority Services for the Elderly. London: Allen & Unwin, 1969.
MLA način citiranja (8. izdanje)Sumner, Greta, i Randall Smith. Planning Local Authority Services for the Elderly. Allen & Unwin, 1969.
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