Wittmann, M. C. (2004). Activity - Based tutorials. New Jersey: John Wiley and Sons, Inc.
Chicago Style aipamenaWittmann, Michael C. Activity - Based Tutorials. New Jersey: John Wiley and Sons, Inc, 2004.
MLA aipamenaWittmann, Michael C. Activity - Based Tutorials. New Jersey: John Wiley and Sons, Inc, 2004.
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