Campbell, Donald T.
Social measurement
Sage, 2001
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Blalock, Hubert M.
Conceptualization and measurement in the social science
Sage Publications, 1982
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The Blackwell encyclopedia of social psychology
edited by Antony S. R. Manstead and Miles Hewstone ; advisory editors, Susan T. Fiske [and others]
Blackwell, 1995.
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The social science encyclopedia
edited by Adam Kuper and Jessica Kuper
Routledge, 1996
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Encyclopedia of social and cultural anthropology
edited by Alan Barnard, Jonathan Spencer
Routledge, 1996
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