एपीए उद्धरण

Sayre, D. (1997). Inside ISO 14000: The competitive advantage of environmental management. Vanity Books international.

शिकागो स्टाइल उद्धरण

Sayre, Don. Inside ISO 14000: The Competitive Advantage of Environmental Management. New delhi: Vanity Books international, 1997.

एमएलए उद्धरण

Sayre, Don. Inside ISO 14000: The Competitive Advantage of Environmental Management. Vanity Books international, 1997.