HAMMER, W. (1989). Occupational safety management and engineering (Ed.4.). Prentice Hall.
Chicagoスタイル(17版)引用形式HAMMER, Willie. Occupational Safety Management and Engineering. Ed.4. New Jersey: Prentice Hall, 1989.
MLA(9版)引用形式HAMMER, Willie. Occupational Safety Management and Engineering. Ed.4. Prentice Hall, 1989.
警告: この引用は必ずしも正確ではありません.