Roy, K. R. (2012). The NSTA ready-reference guide to safer science. NSTA.
Cita Chicago Style (17a ed.)Roy, Kenneth Russell. The NSTA Ready-reference Guide to Safer Science. Arlington, Virginia: NSTA, 2012.
Cita MLA (9a ed.)Roy, Kenneth Russell. The NSTA Ready-reference Guide to Safer Science. NSTA, 2012.
Precaución: Estas citas no son 100% exactas.