1. Alabdali, O. S. (1996). International marketing programme standardisation of UK companies in the Gulf. Unpublished PhD thesis, Manchester Business School.
2. Arab British Chamber of Commerce (1994). Arab UK business year book (10th ed.). London.
3. Implications of standardization in global markets;Barker;Journal of International Consumer Marketing,1991
4. Comparative marketing: The first twenty five years;Boddewyn;Journal of International Business Studies,1981
5. Standardization in international marketing: Is Ted Levitt in fact right?;Boddewyn;Business Horizons,1986