Kirkwood T. Tom. (2000). Time of Our Lives. The Science of Human Ageing. London, Phoenix, 2000.
Cita Chicago (17th ed.)Kirkwood T. Tom. Time of Our Lives. The Science of Human Ageing. London, Phoenix, 2000, 2000.
Cita MLA (9th ed.)Kirkwood T. Tom. Time of Our Lives. The Science of Human Ageing. London, Phoenix, 2000, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.