Sax, N. I., & Bracken, M. C. (1979). Dangerous properties of industrial materials (5th ed.). New York: Van Nostrand Reinhold Company.
Παραπομπή Chicago StyleSax, N. Irving, and Marilyn C. Bracken. Dangerous Properties of Industrial Materials. 5th ed. New York: Van Nostrand Reinhold Company, 1979.
Παραπομπή MLASax, N. Irving, and Marilyn C. Bracken. Dangerous Properties of Industrial Materials. 5th ed. New York: Van Nostrand Reinhold Company, 1979.
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