ASFAHL, C. (1995). Industrial Safety And Health Management C. Ray Asfahl. Prentice-Hall.
Cita Chicago Style (17a ed.)ASFAHL, C.RAY. Industrial Safety And Health Management C. Ray Asfahl. Prentice-Hall, 1995.
Cita MLA (8a ed.)ASFAHL, C.RAY. Industrial Safety And Health Management C. Ray Asfahl. Prentice-Hall, 1995.
Precaución: Estas citas no son 100% exactas.