APA (7th ed.) Zitazioa
Alli, B. O. (2001). Fundamental principles of occupational health and safety. International Labour Office.
Chicago Style (17th ed.) Zitazioa
Alli, B. O. Fundamental Principles of Occupational Health and Safety. Geneva: International Labour Office, 2001.
MLA (9th ed.) Zitazioa
Alli, B. O. Fundamental Principles of Occupational Health and Safety. International Labour Office, 2001.
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