Cita APA (7th ed.)

Voorhees, J. (1998). International environmental risk management ISO 14000: And the systems approach. Lewis.

Cita Chicago (17th ed.)

Voorhees, John. International Environmental Risk Management ISO 14000: And the Systems Approach. Boca Raton: Lewis, 1998.

Cita MLA (9th ed.)

Voorhees, John. International Environmental Risk Management ISO 14000: And the Systems Approach. Lewis, 1998.