Fresenius, C. R., & Wells , H. L. (1906). Manual of qualitative chemical analysis. John Wiley.
Lua i Stíl Chicago (17ú heag.)Fresenius, C. Remigius, agus Horace L. Wells. Manual of Qualitative Chemical Analysis. New York: John Wiley, 1906.
Lua MLA (9ú heag.)Fresenius, C. Remigius, agus Horace L. Wells. Manual of Qualitative Chemical Analysis. John Wiley, 1906.
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