Inter-University Consortium for Political and Social Research. (1993). Guide to resources and services. ICPSR.
Cita Chicago Style (17a ed.)Inter-University Consortium for Political and Social Research. Guide to Resources and Services. Ann Arbor, Mich: ICPSR, 1993.
Cita MLA (8a ed.)Inter-University Consortium for Political and Social Research. Guide to Resources and Services. ICPSR, 1993.
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