APA
(1989). WHO-Occupational exposure to silica and cancer risk. UK: International Agency for Research on Cancer.
Chicago
1989. WHO-Occupational exposure to silica and cancer risk. UK: International Agency for Research on Cancer.
Harvard
(1989). WHO-Occupational exposure to silica and cancer risk. UK: International Agency for Research on Cancer.
MLA
WHO-Occupational exposure to silica and cancer risk. UK: International Agency for Research on Cancer. 1989.
