Sayre, D. (1997). Inside ISO 14000: The competitive advantage of environmental management. St. Lucie Press ; Vanity Books International.
Citazione stile Chigago Style (17a edizione)Sayre, Don. Inside ISO 14000: The Competitive Advantage of Environmental Management. Delray Beach, Fla. : New Delhi: St. Lucie Press ; Vanity Books International, 1997.
Citatione MLA (8a ed.)Sayre, Don. Inside ISO 14000: The Competitive Advantage of Environmental Management. St. Lucie Press ; Vanity Books International, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.