Gaskill, C. (1993). The Buggy Book: A Pictorial Guide to a Century of Carriages. Gold Horse Publishing.
Lua i Stíl Chicago (17ú heag.)Gaskill, Cynthia. The Buggy Book: A Pictorial Guide to a Century of Carriages. Annapolis/Maryland: Gold Horse Publishing, 1993.
Lua MLA (8ú heag.)Gaskill, Cynthia. The Buggy Book: A Pictorial Guide to a Century of Carriages. Gold Horse Publishing, 1993.
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