Extending the human life span :
social policy and social ethics /
Bernice L. Neugarten, Robert J. Havighurst, editors.

APA Citation

Havighurst, R. J. (Robert James)., Neugarten, B. Levin., National Science Foundation (U.S.). Division of Advanced Productivity Research and Technology., University of Chicago. Committee on Human Development. (1977). Extending the human life span: social policy and social ethics. [Chicago]: Committee on Human Development, University of Chicago .

MLA Citation

Havighurst, Robert J. (Robert James), 1900-1991, Bernice Levin Neugarten, National Science Foundation (U.S.). Division of Advanced Productivity Research and Technology, and University of Chicago. Committee on Human Development. Extending the Human Life Span: Social Policy And Social Ethics. [Chicago]: Committee on Human Development, University of Chicago , 1977.