Reinhold & Van Nostrand. (1972). Guide for Safety in the Chemical Laboratory: Manufacturing Chemists Association (2.). New York.
Dyfyniad Arddull ChicagoReinhold and Van Nostrand. Guide for Safety in the Chemical Laboratory: Manufacturing Chemists Association. 2. New York, 1972.
Dyfyniad MLAReinhold and Van Nostrand. Guide for Safety in the Chemical Laboratory: Manufacturing Chemists Association. 2. New York, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.