Lüttinger, P., & Wolf, C. (2011). GESIS-Technical Reports. GESIS.
Chicagoスタイル(17版)引用形式Lüttinger, Paul, , Christof Wolf. GESIS-Technical Reports. Mannheim: GESIS, 2011.
MLA(8版)引用形式Lüttinger, Paul, , Christof Wolf. GESIS-Technical Reports. GESIS, 2011.
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