Gaya APA
SOMAVIA, J. (2001).
GUIDELINES ON OCCUPATIONAL SAFETY AND HEALTH MANAGEMENT SYSTEMS ILO – OSH .
:
INTERNATIONAL LABOUR OFFICE GENEVA.
Gaya MLA
SOMAVIA, JUAN.
"GUIDELINES ON OCCUPATIONAL SAFETY AND HEALTH MANAGEMENT SYSTEMS ILO – OSH".
:
INTERNATIONAL LABOUR OFFICE GENEVA,
2001.
Text.