Carroll, P. (1943). Timestudy for cost control (2a. ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)Carroll, Phil. Timestudy for Cost Control. 2a. ed. New York: McGraw-Hill, 1943.
Cita MLA (9a ed.)Carroll, Phil. Timestudy for Cost Control. 2a. ed. McGraw-Hill, 1943.
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