APA-referens (7:e uppl.)
Smith, R. S. (1998). Profit centers in industrial ecology: The business executive's approach to the environment. Quorum Books.
Chicago-referens (17:e uppl.)
Smith, Ronald S. Profit Centers in Industrial Ecology: The Business Executive's Approach to the Environment. Westport, Conn.: Quorum Books, 1998.
MLA-referens (9:e uppl.)
Smith, Ronald S. Profit Centers in Industrial Ecology: The Business Executive's Approach to the Environment. Quorum Books, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.