Tohutoro APA (7th ed.)
International Labour Office, ebrary, Inc, & Kanawaty, G. (1992). Introduction to work study (4th (rev.) ed.). International Labour Office.
Tohutoru Kātū Chicago (17th ed.)
International Labour Office, Inc ebrary, me George Kanawaty. Introduction to Work Study. 4th (rev.) ed. Geneva: International Labour Office, 1992.
Tohutoro MLA (9th ed.)
International Labour Office, et al. Introduction to Work Study. 4th (rev.) ed. International Labour Office, 1992.
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