Hammer, W. (1985). Occupational safety management and engineering (3ª ed.). Prentice Hall.
Chicagoスタイル(17版)引用形式Hammer, Willie. Occupational Safety Management and Engineering. 3ª ed. Prentice Hall, 1985.
MLA(9版)引用形式Hammer, Willie. Occupational Safety Management and Engineering. 3ª ed. Prentice Hall, 1985.
警告: この引用は必ずしも正確ではありません.