Hadfield, J. (1999). Elementary vocabulary games: A collection of vocabulary games and activities for elementary students of English. London: Longman.
Chicago-tyylinen lähdeviittausHadfield, Jill. Elementary Vocabulary Games: A Collection of Vocabulary Games and Activities for Elementary Students of English. London: Longman, 1999.
MLA-viiteHadfield, Jill. Elementary Vocabulary Games: A Collection of Vocabulary Games and Activities for Elementary Students of English. London: Longman, 1999.
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