283956 Summerlin, L. R., & Ealy, J. L. (1988). Chemical demonstrations: A sourcebook for teachers. Washington, DC : American Chemical Society.
Lua i Stíl Chicago (17ú heag.)283956 Summerlin, Lee R., agus James L. Ealy. Chemical Demonstrations: A Sourcebook for Teachers. Washington, DC : American Chemical Society, 1988.
Lua MLA (9ú heag.)283956 Summerlin, Lee R., agus James L. Ealy. Chemical Demonstrations: A Sourcebook for Teachers. Washington, DC : American Chemical Society, 1988.
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