Wetzel, D. R. (2005). How to weave the Web into K-8 science. NSTA Press.
Lua i Stíl Chicago (17ú heag.)Wetzel, David R. How to Weave the Web into K-8 Science. Arlington, Va.: NSTA Press, 2005.
Lua MLA (9ú heag.)Wetzel, David R. How to Weave the Web into K-8 Science. NSTA Press, 2005.
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