Croxto, T. A., Dluhy, M., Lind, R., Tropman, J. E., & Vasay, W. (1976). Strategic perspectives on social policy. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Croxto, Tom A., Milan Dluhy, Roger Lind, John E. Tropman, agus Wayne Vasay. Strategic Perspectives on Social Policy. New York: Pergamon Press, 1976.
Lua MLA (9ú heag.)Croxto, Tom A., et al. Strategic Perspectives on Social Policy. Pergamon Press, 1976.
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