Jensen, U. (2012). GESIS-Technical Reports. GESIS.
Cita Chicago (17th ed.)Jensen, Uwe. GESIS-Technical Reports. Mannheim: GESIS, 2012.
Cita MLA (8th ed.)Jensen, Uwe. GESIS-Technical Reports. GESIS, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.