Levenstein, C., & Wooding, J. (1997). Work, health, and environment: Old problems, new solutions. Guilford Press.
Dyfyniad Arddull ChicagoLevenstein, Charles, and John Wooding. Work, Health, and Environment: Old Problems, New Solutions. New York: Guilford Press, 1997.
Dyfyniad MLALevenstein, Charles, and John Wooding. Work, Health, and Environment: Old Problems, New Solutions. Guilford Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.