Voorhees, J. (1998). International environmental risk management ISO 14000: And the systems approach. Lewis.
Citazione stile Chigago Style (17a edizione)Voorhees, John. International Environmental Risk Management ISO 14000: And the Systems Approach. Boca Raton: Lewis, 1998.
Citatione MLA (9a ed.)Voorhees, John. International Environmental Risk Management ISO 14000: And the Systems Approach. Lewis, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.