Greenberg, L. (1973). The enforcement of occupational safety legislation. International Labour Organization.
Cita Chicago Style (17a ed.)Greenberg, Leon. The Enforcement of Occupational Safety Legislation. International Labour Organization, 1973.
Cita MLA (9a ed.)Greenberg, Leon. The Enforcement of Occupational Safety Legislation. International Labour Organization, 1973.
Precaución: Estas citas no son 100% exactas.