Delwin D. Cahoon, Ed M. Edmonds: The weapons effect: Fact or artifact? In: Bulletin of the Psychonomic Society. Band23, Nr.1, ISSN0090-5054, S.57–60, doi:10.3758/bf03329778 (springer.com [abgerufen am 25. September 2017]).
Delwin D. Cahoon, Ed M. Edmonds: The weapons effect: Fact or artifact? In: Bulletin of the Psychonomic Society. Band23, Nr.1, ISSN0090-5054, S.57–60, doi:10.3758/bf03329778 (springer.com [abgerufen am 25. September 2017]).
Alan Yuhas: Mere sight of a gun makes police – and public – more aggressive, experts say. In: The Guardian. 5. August 2015, ISSN0261-3077 (theguardian.com [abgerufen am 25. September 2017]).
Delwin D. Cahoon, Ed M. Edmonds: The weapons effect: Fact or artifact? In: Bulletin of the Psychonomic Society. Band23, Nr.1, ISSN0090-5054, S.57–60, doi:10.3758/bf03329778 (springer.com [abgerufen am 25. September 2017]).
Alan Yuhas: Mere sight of a gun makes police – and public – more aggressive, experts say. In: The Guardian. 5. August 2015, ISSN0261-3077 (theguardian.com [abgerufen am 25. September 2017]).