APA (7th ed.) Zitazioa

ebrary, Inc. (2000). Safe work in the 21st century: Education and training needs for the next decade's occupational safety and health personnel. National Academy Press.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc. Safe Work in the 21st Century: Education and Training Needs for the Next Decade's Occupational Safety and Health Personnel. Washington, DC: National Academy Press, 2000.

MLA (9th ed.) Zitazioa

ebrary, Inc. Safe Work in the 21st Century: Education and Training Needs for the Next Decade's Occupational Safety and Health Personnel. National Academy Press, 2000.