APA ציטוט

Hammer, W. (1985). Occupational safety management and engineering (3ª ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Hammer, Willie. Occupational Safety Management and Engineering. 3ª ed. Prentice Hall, 1985.

ציטוט MLA

Hammer, Willie. Occupational Safety Management and Engineering. 3ª ed. Prentice Hall, 1985.