Citazione Stile APA (7a Edizione)

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.

Citazione stile Chigago Style (17a edizione)

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.

Citatione MLA (9a ed.)

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.