British Geriatrics Society. (1972). Age and Ageing. Baillière Tindall.
Citação do estilo Chicago (17ª ed.)British Geriatrics Society. Age and Ageing. London: Baillière Tindall, 1972.
Citação MLA (8ª ed.)British Geriatrics Society. Age and Ageing. Baillière Tindall, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.