Cassinelli, M. E., & O'Connor, P. F. (1994). Supplement to NIOSH manual of analytical methods (NMAM 'TM') (4th ed.). Cincinnati, OH.: Department of Health and Human Services.
Παραπομπή Chicago StyleCassinelli, Mary Ellen, and Paula Fey O'Connor. Supplement to NIOSH Manual of Analytical Methods (NMAM 'TM'). 4th ed. Cincinnati, OH.: Department of Health and Human Services, 1994.
Παραπομπή MLACassinelli, Mary Ellen, and Paula Fey O'Connor. Supplement to NIOSH Manual of Analytical Methods (NMAM 'TM'). 4th ed. Cincinnati, OH.: Department of Health and Human Services, 1994.
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