1. Davis, H.L., Eppen, G.D. and Mattsson, L.‐G.(1974), “Critical Factors in Worldwide Purchasing”,Harvard Business Review, November‐December, pp. 81‐90.
2. Kogut, B. (1985), “Designing Global Strategies: Comparative and Competitive Value‐added Chains”,Sloan Management Review, Vol. 26No. 4, Summer, pp. 15‐28.
3. The Relationship Between Offshore Sourcing and Innovativeness of U.S. Multinational Firms: An Empirical Investigation
4. Norquist, W.E. (1987), “Countertrade: Another Horizon for Purchasing”,Journal of Purchasing and Materials Management, Summer, pp. 2‐6.
5. Spekman, R.E. (1991), “US Buyers′ Relationships with Pacific Rim Sellers”,International Journal of Purchasing and Materials Management, Winter, pp. 2‐10.