Gray, C. W., Sandifur, C. W., & Hanna, H. J. (1926). Fundamentals of chemistry. Houghton Mifflin Co.
Lua i Stíl Chicago (17ú heag.)Gray, Carl William, Claude Williamson Sandifur, agus Howard J. Hanna. Fundamentals of Chemistry. New York [etc.]: Houghton Mifflin Co, 1926.
Lua MLA (8ú heag.)Gray, Carl William, et al. Fundamentals of Chemistry. Houghton Mifflin Co, 1926.
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