1. Adler, P. (1993). Time and motion regained. Harvard Business Review, 71, (January–February), 97–108.
2. Amabile, T. M. (1988). A model of creativity and innovation in organizations. In B. M. Staw, & L. L. Cummings (Eds.), Research in organizational behavior (Vol. 10, pp. 123–167). Greenwich, CT: JAI Press.
3. Anastassova, L., & Purcell, K. (1995). Human resource management in the Bulgarian hotel industry: From command to empowerment? International Journal of Hospitality Management, 14(2), 171–185.
4. Barbee, C., & Bott, V. (1991). Customer treatment as a mirror of employee treatment. Advanced Management Journal, 5(27), 45–53.
5. Bartunek, J. M., & Spreitzer, G. (1999). The career of a popular construct: A pluralistic journey of understandings of empowerment. Annual Meeting of the Academy of Management, Chicago, IL.