Bromley, D. B. (1988). Human ageing: An introduction to gerontology (3rd ed.). Penguin Books.
Chicago Style aipamenaBromley, D. B. Human Ageing: An Introduction to Gerontology. 3rd ed. Harmondsworth, Eng.: Penguin Books, 1988.
MLA aipamenaBromley, D. B. Human Ageing: An Introduction to Gerontology. 3rd ed. Penguin Books, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.