Koren, H. (1980). Handbook of environmental health and safety: Principles and practices. Pergamon Press.
Dyfyniad Arddull ChicagoKoren, Herman. Handbook of Environmental Health and Safety: Principles and Practices. New York: Pergamon Press, 1980.
Dyfyniad MLAKoren, Herman. Handbook of Environmental Health and Safety: Principles and Practices. Pergamon Press, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.