Hickling, A. (2015). Toy Forts & Castles: European-Made Toys of the 19th & 20th Centuries. Schiffer.
Chicago-referens (17:e uppl.)Hickling, Allen. Toy Forts & Castles: European-Made Toys of the 19th & 20th Centuries. Atglen: Schiffer, 2015.
MLA-referens (8:e uppl.)Hickling, Allen. Toy Forts & Castles: European-Made Toys of the 19th & 20th Centuries. Schiffer, 2015.
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