Social services in international perspective : the emergence of the sixth system /
Alfred J. Kahn & Sheila B. Kamerman ; with a foreword by Mitchell I. Ginsberg.
- [Washington] : U.S. Dept. of Health, Education, and Welfare, Social and Rehabilitation Service, Office of Planning, Research and Evaluation : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1977.
- xiv, 411 p. ; 23 cm.