Welford, A. T. [. o. c. (1973). Ageing and human skill. Greenwood Press.
Chicagoスタイル(17版)引用形式Welford, Alan Traviss. [from old catalog]. Ageing and Human Skill. Wesford, Conn: Greenwood Press, 1973.
MLA(9版)引用形式Welford, Alan Traviss. [from old catalog]. Ageing and Human Skill. Greenwood Press, 1973.
警告: この引用は必ずしも正確ではありません.