Case, R. B. (1954). A study and investigation of human error in time study observations. [publisher not identified].
Chicago Style (17th ed.) CitationCase, Richard Blanch. A Study and Investigation of Human Error in Time Study Observations. [College Station, Tex.]: [publisher not identified], 1954.
MLA (9th ed.) CitationCase, Richard Blanch. A Study and Investigation of Human Error in Time Study Observations. [publisher not identified], 1954.
Warning: These citations may not always be 100% accurate.