Sills, D. L. (1968). International encyclopedia of the social sciences. The Macmillan Company.
Chicago-čujuhus (17. p.)Sills, David L. International Encyclopedia of the Social Sciences. Nueva York: The Macmillan Company, 1968.
MLA-čujuhus (9. p.)Sills, David L. International Encyclopedia of the Social Sciences. The Macmillan Company, 1968.
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