Turrell, M. (1980). Training analysis: A guide to recognising training neds. Macdonald and evans.
शिकागो स्टाइल उद्धरणTurrell, M. Training Analysis: A Guide to Recognising Training Neds. Estover: Macdonald and evans, 1980.
एमएलए उद्धरणTurrell, M. Training Analysis: A Guide to Recognising Training Neds. Macdonald and evans, 1980.
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