Gargiulo, T. L. (2007). Once upon a time: Using story-based activities to develop breakthrough communication skills. San Francisco: Pfeiffer.
Chicago-tyylinen lähdeviittausGargiulo, Terrence L. Once Upon a Time: Using Story-based Activities to Develop Breakthrough Communication Skills. San Francisco: Pfeiffer, 2007.
MLA-viiteGargiulo, Terrence L. Once Upon a Time: Using Story-based Activities to Develop Breakthrough Communication Skills. San Francisco: Pfeiffer, 2007.
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