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