Style de citation APA (7e éd.)

HAMMER, W. (1989). Occupational safety management and engineering (Ed.4.). Prentice Hall.

Style de citation Chicago (17e éd.)

HAMMER, Willie. Occupational Safety Management and Engineering. Ed.4. New Jersey: Prentice Hall, 1989.

Style de citation MLA (9e éd.)

HAMMER, Willie. Occupational Safety Management and Engineering. Ed.4. Prentice Hall, 1989.