APA (7e ed.) Bronvermelding

Bromley, D. B. (1988). Human ageing: An introduction to gerontology (3rd ed.). Penguin Books.

Chicago (17e ed.) Bronvermelding

Bromley, D. B. Human Ageing: An Introduction to Gerontology. 3rd ed. Harmondsworth, Eng.: Penguin Books, 1988.

MLA (9e ed.) Bronvermelding

Bromley, D. B. Human Ageing: An Introduction to Gerontology. 3rd ed. Penguin Books, 1988.