Holtzclaw, H. F., & Robinson, W. R. (1988). General chemistry (8th ed.). D.C. Heath.
Lua i Stíl Chicago (17ú heag.)Holtzclaw, Henry F., agus William R. Robinson. General Chemistry. 8th ed. Lexington: D.C. Heath, 1988.
Lua MLA (9ú heag.)Holtzclaw, Henry F., agus William R. Robinson. General Chemistry. 8th ed. D.C. Heath, 1988.
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