Carroll, R. L. (1979). The influence of selected variables on the teaching effectiveness of the trade and industrial teacher. [publisher not identified].
Chicago Style (17th ed.) CitationCarroll, Ronald L. The Influence of Selected Variables on the Teaching Effectiveness of the Trade and Industrial Teacher. [Place of publication not identified]: [publisher not identified], 1979.
MLA (9th ed.) CitationCarroll, Ronald L. The Influence of Selected Variables on the Teaching Effectiveness of the Trade and Industrial Teacher. [publisher not identified], 1979.
Warning: These citations may not always be 100% accurate.