APA-viite (7. p.)

Pillkahn, U. (2008). Using Trends and Scenarios as Tools for Strategy Development. Simon & Schuster.

Chicago-viite (17. p.)

Pillkahn, Ulf. Using Trends and Scenarios as Tools for Strategy Development. London: Simon & Schuster, 2008.

MLA-viite (9. p.)

Pillkahn, Ulf. Using Trends and Scenarios as Tools for Strategy Development. Simon & Schuster, 2008.