Internastional Labour Office. (1974). Introduction to work study/2e (2nd ed.). International labour office.
Styl ChicagoInternastional Labour Office. Introduction to Work Study/2e. 2nd ed. Geneva: International labour office, 1974.
Citace podle MLAInternastional Labour Office. Introduction to Work Study/2e. 2nd ed. International labour office, 1974.
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