Puff, H. (2014). Miniature monuments: Modeling German history. De Gruyter.
Lua i Stíl Chicago (17ú heag.)Puff, Helmut. Miniature Monuments: Modeling German History. Berlin, [Germany] ; Boston, [Massachusetts]: De Gruyter, 2014.
Lua MLA (9ú heag.)Puff, Helmut. Miniature Monuments: Modeling German History. De Gruyter, 2014.
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