Weiner, G. (2001). Collector`s Guide to Childrens Automobiles. Schiffer Publishing.
Lua i Stíl Chicago (17ú heag.)Weiner, G.G. Collector`s Guide to Childrens Automobiles. Atglen: Schiffer Publishing, 2001.
Lua MLA (8ú heag.)Weiner, G.G. Collector`s Guide to Childrens Automobiles. Schiffer Publishing, 2001.
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