Calof, J., & Colton, B. (2018). Foresight in the Canadian Government – Current State, History and Developments.
Chicago-referens (17:e uppl.)Calof, Jonathan, och Brian Colton. Foresight in the Canadian Government – Current State, History and Developments. 2018.
MLA-referens (8:e uppl.)Calof, Jonathan, och Brian Colton. Foresight in the Canadian Government – Current State, History and Developments. 2018.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.