Hamlin, D. (2004). Flexible specialization and the German toy industry, 1870-1914. Routledge.
Chicago-viite (17. p.)Hamlin, David. Flexible Specialization and the German Toy Industry, 1870-1914. London: Routledge, 2004.
MLA-viite (8. p.)Hamlin, David. Flexible Specialization and the German Toy Industry, 1870-1914. Routledge, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.