Hamlin, D. (2004). Flexible specialization and the German toy industry, 1870-1914. Routledge.
Lua i Stíl Chicago (17ú heag.)Hamlin, David. Flexible Specialization and the German Toy Industry, 1870-1914. London: Routledge, 2004.
Lua MLA (8ú heag.)Hamlin, David. Flexible Specialization and the German Toy Industry, 1870-1914. Routledge, 2004.
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