1. Котлер Ф. Маркетинг в третьем тысячелетии. — М.: АСТ, 2000. — С. 25–27.
2. Kevin J. Clancy, Peter C. Krieg, Counter — Intuitive Marketing. The Free Press, 2000.
3. Ephron Erwin Pollak Gerry. The Curse of the Leverhulmes. ESO-MAR/ARF WAM Conference Proceeding, 2003.
4. Frieswick Kris, New Brand Day: Attempts to gouge the ROI of advertising hinge on determining a brand's overall value. CFO The Magazine for Senior Financial Executives. V17, n14, November 2001. — P. 99.
5. Reinartz W., Kumar V. The mismanagement of customer loyalty. Harvard Business Review, 2002, July, pp. 86–94.