Worpell, D. F. (1956). A study of selection factors and the development of objective criteria for measuring success in a co-operative general machine shop training program. [publisher not identified].
Chicago Style (17th ed.) CitationWorpell, Donald F. A Study of Selection Factors and the Development of Objective Criteria for Measuring Success in a Co-operative General Machine Shop Training Program. [Place of publication not identified]: [publisher not identified], 1956.
MLA (9th ed.) CitationWorpell, Donald F. A Study of Selection Factors and the Development of Objective Criteria for Measuring Success in a Co-operative General Machine Shop Training Program. [publisher not identified], 1956.
Warning: These citations may not always be 100% accurate.