1. Beck, J.E. (1997). Understanding the limits of expatriate adjustment. Singapore: Nanyang Technological University.
2. Black, J.S., Gregerson, H.B., Mendenhall, M.E., & Stroh, L.K. (1999). Globalizing people through international assignments. USA: Addison Wesley Longman.
3. Bonache, J., Brewster, C., & Suutari, V. (2001). Expatriation: A developing research agenda. Thunderbird International Business Review, 43(1), 3-20.
4. Chew, J. (2004). Managing expatriates through crises: A challenge for international human resource management. Research and Practice in Human Resource Management, 12(2), 1-30.
5. Foster, N. (2000). Expatriates and the impact of cross-cultural training. Human Resource Management Journal, 10(3), 63-78.