(1991). Herder-Spektrum. Herder.
Cita Chicago Style (17a ed.)Herder-Spektrum. Freiburg, Br. Basel Wien: Herder, 1991.
Cita MLA (8a ed.)Herder-Spektrum. Herder, 1991.
Precaución: Estas citas no son 100% exactas.
(1991). Herder-Spektrum. Herder.
Cita Chicago Style (17a ed.)Herder-Spektrum. Freiburg, Br. Basel Wien: Herder, 1991.
Cita MLA (8a ed.)Herder-Spektrum. Herder, 1991.