Norman, R. P. (1955). An experimental investigation to determine the relative effectiveness of two different types of teaching methods in engineering drawing. [publisher not identified].
Chicago Style (17th ed.) CitationNorman, Ralph Paul. An Experimental Investigation to Determine the Relative Effectiveness of Two Different Types of Teaching Methods in Engineering Drawing. [Place of publication not identified]: [publisher not identified], 1955.
MLA (9th ed.) CitationNorman, Ralph Paul. An Experimental Investigation to Determine the Relative Effectiveness of Two Different Types of Teaching Methods in Engineering Drawing. [publisher not identified], 1955.
Warning: These citations may not always be 100% accurate.