Joesten, M. D., & Johnston, D. O. (1991). World of Chemistry. Saunders College.
Lua i Stíl Chicago (17ú heag.)Joesten, Melvin D., agus David O. Johnston. World of Chemistry. Philadelphia: Saunders College, 1991.
Lua MLA (9ú heag.)Joesten, Melvin D., agus David O. Johnston. World of Chemistry. Saunders College, 1991.
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