Chandler, J., & Cockle, P. (1982). Techniques of scenario planning. McGraw-Hill Book Co. (UK).
Lua i Stíl Chicago (17ú heag.)Chandler, John, agus Paul Cockle. Techniques of Scenario Planning. London ; New York: McGraw-Hill Book Co. (UK), 1982.
Lua MLA (9ú heag.)Chandler, John, agus Paul Cockle. Techniques of Scenario Planning. McGraw-Hill Book Co. (UK), 1982.