Friend, J. N. (1920). A text-book of inorganic chemistry. Charles Griffin.
Lua i Stíl Chicago (17ú heag.)Friend, J. Newton. A Text-book of Inorganic Chemistry. London: Charles Griffin, 1920.
Lua MLA (9ú heag.)Friend, J. Newton. A Text-book of Inorganic Chemistry. Charles Griffin, 1920.
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