- Trout, Jack
Trout, Jack (Nombre Personal)
- Trout, John Francis
Ries, Al. Positioning, c1981 (a.e.) portada (Jack Trout, pres., Trout & Ries Advertising, inc.)
New York times WWW site, viewed June 7, 2017 (En obituario publicado el 7 de Junio: Jack Trout; b. John Francis Trout, Jan. 31, 1935, Manhattan; d. Sunday [June 4, 2017], Greenwich, Conn., aged 82; marketing strategist who viewed business as a Clausewitzian battlefield in which companies outflank their rivals in part by embedding their messages in consumers' minds through a concept known as positioning)
Posicionamiento, 1992: portada (Jack Trout)