Ostwald, W. (1904). The principles of inorganic chemistry (2d ed.). Macmillan.
Lua i Stíl Chicago (17ú heag.)Ostwald, Wilhelm. The Principles of Inorganic Chemistry. 2d ed. London, New York: Macmillan, 1904.
Lua MLA (8ú heag.)Ostwald, Wilhelm. The Principles of Inorganic Chemistry. 2d ed. Macmillan, 1904.
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