1. Aaker, D.A., 1996. Building Strong Brands. Glencoe: The Free Press.
2. Accounting Standards Board, 1997. FRS 10: Goodwill and Intangible Assets. Milton Keynes: ASB Publications.
3. Bonoma, M.T.A. and Clark, B.H., 1988. Marketing Performance Assessment. Cambridge, Harvard Business School.
4. Broman, H. and Johnsson, H.V.A., 1996. Return on Communications. Stockholm: Swedish Public Relations Association.
5. Christopher, M., 1996. From Brand Value to Customer Value. Journal of Marketing Practice, Vol. 2, No. 1.