Farrell, P. (1997). Teaching pupils with learning difficulties: Strategies and solutions. London: Cassell.
Chicago-tyylinen lähdeviittausFarrell, Peter. Teaching Pupils With Learning Difficulties: Strategies and Solutions. London: Cassell, 1997.
MLA-viiteFarrell, Peter. Teaching Pupils With Learning Difficulties: Strategies and Solutions. London: Cassell, 1997.
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