Umstatter, J. (2002). English brainstormers!: Ready-to-use games and activities that make language skills fun to learn. San Francisco, CA: Jossey-Bass.
Čikaški stil citiranjaUmstatter, Jack. English Brainstormers!: Ready-to-use Games and Activities That Make Language Skills Fun to Learn. San Francisco, CA: Jossey-Bass, 2002.
MLA način citiranjaUmstatter, Jack. English Brainstormers!: Ready-to-use Games and Activities That Make Language Skills Fun to Learn. San Francisco, CA: Jossey-Bass, 2002.
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