Johnston, J. (1850). Elements of chemistry for the use of schools. Thomas, Cowperthwait, & Co.
Lua i Stíl Chicago (17ú heag.)Johnston, John. Elements of Chemistry for the Use of Schools. Philadelphia: Thomas, Cowperthwait, & Co, 1850.
Lua MLA (8ú heag.)Johnston, John. Elements of Chemistry for the Use of Schools. Thomas, Cowperthwait, & Co, 1850.
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