Cita APA (7th ed.)

Sumner, G., & Smith, R. (1969). Planning local authority services for the elderly. Allen & Unwin.

Cita Chicago (17th ed.)

Sumner, Greta, i Randall Smith. Planning Local Authority Services for the Elderly. London: Allen & Unwin, 1969.

Cita MLA (8th ed.)

Sumner, Greta, i Randall Smith. Planning Local Authority Services for the Elderly. Allen & Unwin, 1969.