Zumdahl, S. S., & Zumdahl, S. A. (2007). Chemistry (7th ed.). Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)Zumdahl, Steven S., agus Susan A. Zumdahl. Chemistry. 7th ed. Boston, MA: Houghton Mifflin, 2007.
Lua MLA (8ú heag.)Zumdahl, Steven S., agus Susan A. Zumdahl. Chemistry. 7th ed. Houghton Mifflin, 2007.
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