Welford, A. T. (1973). Ageing and human skill: A report centred on work by the Nuffield Unit for Research into problems of ageing. Greenwood.
Chicago-Zitierstil (17. Ausg.)Welford, Alan T. Ageing and Human Skill: A Report Centred on Work by the Nuffield Unit for Research into Problems of Ageing. Westport, Conn: Greenwood, 1973.
MLA-Zitierstil (9. Ausg.)Welford, Alan T. Ageing and Human Skill: A Report Centred on Work by the Nuffield Unit for Research into Problems of Ageing. Greenwood, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.