Gaya APA
Wordwide, A. (1996).
1995-1996 Threshold Limit Values (TLVs)for chrmichal subtances and physical agents and Biological Exposure Indices (BEIr) .
Cincinati:
American Conference of Govermental IUndustries Hygienists.
Gaya MLA
Wordwide, A..
1995-1996 Threshold Limit Values (TLVs)for chrmichal subtances and physical agents and Biological Exposure Indices (BEIr).
Cincinati:
American Conference of Govermental IUndustries Hygienists,
1996.
Text.