Gwinner, S. v. (2011). Hiawatha Seiffert. Kunsthandwerk & Design.
Chicagoスタイル(17版)引用形式Gwinner, Schnuppe von. "Hiawatha Seiffert." Kunsthandwerk & Design 2011.
MLA(8版)引用形式Gwinner, Schnuppe von. "Hiawatha Seiffert." Kunsthandwerk & Design, 2011.
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