International Labour Office & Kanawaty, G. (1992). Introduction to work study (4th (rev.) ed.). International Labour Office.
Citace podle Chicago (17th ed.)International Labour Office a George Kanawaty. Introduction to Work Study. 4th (rev.) ed. Geneva: International Labour Office, 1992.
Citace podle MLA (9th ed.)International Labour Office a George Kanawaty. Introduction to Work Study. 4th (rev.) ed. International Labour Office, 1992.
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