Sayre, D. (1996). Inside ISO 14000: The competitive advantage of environmental management. St. Lucie Press.
Cita Chicago (17th ed.)Sayre, Don. Inside ISO 14000: The Competitive Advantage of Environmental Management. Boca Raton, Fla.: St. Lucie Press, 1996.
Cita MLA (9th ed.)Sayre, Don. Inside ISO 14000: The Competitive Advantage of Environmental Management. St. Lucie Press, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.