Anderson, R. (2011). Fifty hats that changed the world. Conran Octopus in association with The Design Museum.
Citace podle Chicago (17th ed.)Anderson, Robert. Fifty Hats That Changed the World. London: Conran Octopus in association with The Design Museum, 2011.
Citace podle MLA (9th ed.)Anderson, Robert. Fifty Hats That Changed the World. Conran Octopus in association with The Design Museum, 2011.
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