Trích dẫn APA

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

Trích dẫn kiểu Chicago

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

Trích dẫn MLA

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

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.