Cruickshank, D. R. (2006). The act of teaching. Boston: McGraw-Hill.
शिकागो स्टाइल उद्धरणCruickshank, Donald R. The Act of Teaching. Boston: McGraw-Hill, 2006.
एमएलए उद्धरणCruickshank, Donald R. The Act of Teaching. Boston: McGraw-Hill, 2006.
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