Gottschalk, L., & Holland, B. (1986). American Toy, Cars und Trucks 1894-1942. New Cavendish Books.
Lua i Stíl Chicago (17ú heag.)Gottschalk, Lillian, agus Bill Holland. American Toy, Cars Und Trucks 1894-1942. London: New Cavendish Books, 1986.
Lua MLA (8ú heag.)Gottschalk, Lillian, agus Bill Holland. American Toy, Cars Und Trucks 1894-1942. New Cavendish Books, 1986.
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