(1991). Eva Kohler ; Bettina Schilling: Menschen-Bilder.
Cita Chicago (17th ed.)Eva Kohler ; Bettina Schilling: Menschen-Bilder. Berlin, 1991.
Cita MLA (8th ed.)Eva Kohler ; Bettina Schilling: Menschen-Bilder. 1991.
Atenció: Aquestes cites poden no estar 100% correctes.