Inter-University Consortium for Political and Social Research. (1993). Guide to resources and services. ICPSR.
Chicago-Zitierstil (17. Ausg.)Inter-University Consortium for Political and Social Research. Guide to Resources and Services. Ann Arbor, Mich: ICPSR, 1993.
MLA-Zitierstil (8. Ausg.)Inter-University Consortium for Political and Social Research. Guide to Resources and Services. ICPSR, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.