Clark, D. L. (1967). Activity and learning: An experimental comparison to determine the efficacy of overt versus covert activity on the learning of an industrial praxiological concept. [publisher not identified].
Chicago Style (17th ed.) CitationClark, Donald Lee. Activity and Learning: An Experimental Comparison to Determine the Efficacy of Overt Versus Covert Activity on the Learning of an Industrial Praxiological Concept. [Place of publication not identified]: [publisher not identified], 1967.
MLA (9th ed.) CitationClark, Donald Lee. Activity and Learning: An Experimental Comparison to Determine the Efficacy of Overt Versus Covert Activity on the Learning of an Industrial Praxiological Concept. [publisher not identified], 1967.
Warning: These citations may not always be 100% accurate.