Rubin, B. A. (1996). Shifts in the social contract: Understanding change in American society. Pine Forge Press.
Lua i Stíl Chicago (17ú heag.)Rubin, Beth A. Shifts in the Social Contract: Understanding Change in American Society. Thousand Oaks, Calif.: Pine Forge Press, 1996.
Lua MLA (8ú heag.)Rubin, Beth A. Shifts in the Social Contract: Understanding Change in American Society. Pine Forge Press, 1996.
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