Pillkahn, U. (2008). Using Trends and Scenarios as Tools for Strategy Development. Simon & Schuster.
Chicago-referens (17:e uppl.)Pillkahn, Ulf. Using Trends and Scenarios as Tools for Strategy Development. London: Simon & Schuster, 2008.
MLA-referens (9:e uppl.)Pillkahn, Ulf. Using Trends and Scenarios as Tools for Strategy Development. Simon & Schuster, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.