1. Dunne, M., Gable, M. and Gebhardt, R. (1992) Retailing, Cincinnati: West Publishing.
2. Engel, J.F., Blackwell, R.D. and Miniard, P.W. (1995) Consumer Behavior, 8th ed. Chicago: The Dryden Press.
3. Gaskill, L.R. and Kunz, G.I. (1991) 'Commitment to customer service: Interactive learning strategy', Journal of Home Economics, 29-32.
4. Taher, A., Leigh, T. and French, W. (1996) 'Augmented retail services: The lifetime value of affection', Journal of Business Research, 217-28.