APA

Carver V., Liddiard P., . (1978). An ageing population. London: Hodder and Stonghton.

Chicago

Carver Vida, Liddiard Penny, . 1978. An ageing population. London: Hodder and Stonghton.

Harvard

Carver V., Liddiard P., . (1978). An ageing population. London: Hodder and Stonghton.

MLA

Carver Vida, Liddiard Penny, . An ageing population. London: Hodder and Stonghton. 1978.