APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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