Buckwalter, G. (1879). A comprehensive spelling-book. Porter & Coates.
Lua i Stíl Chicago (17ú heag.)Buckwalter, Geoffrey. A Comprehensive Spelling-book. Philadelphia: Porter & Coates, 1879.
Lua MLA (8ú heag.)Buckwalter, Geoffrey. A Comprehensive Spelling-book. Porter & Coates, 1879.
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