Lefevre, M. J., & Conibear, S. A. (1989). First aid manual for chemical accidents (2nd.). Van Nostrand-Reinhold.
Cita Chicago Style (17a ed.)Lefevre, Marc J., y Shirley A. Conibear. First Aid Manual for Chemical Accidents. 2nd. New York: Van Nostrand-Reinhold, 1989.
Cita MLA (8a ed.)Lefevre, Marc J., y Shirley A. Conibear. First Aid Manual for Chemical Accidents. 2nd. Van Nostrand-Reinhold, 1989.
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