Björkman, I., & Forsgren, M. (1997). The nature of the international firm: Nordic contributions to international business research. Copenhagen: Handelshøjskolens forlag : Distribution, Munksgaard International Publishers.

Björkman, Ingmar., and Mats Forsgren. The Nature of the International Firm: Nordic Contributions to International Business Research. Copenhagen: Handelshøjskolens forlag : Distribution, Munksgaard International Publishers, 1997.

Björkman, Ingmar., and Mats Forsgren. The Nature of the International Firm: Nordic Contributions to International Business Research. Copenhagen: Handelshøjskolens forlag : Distribution, Munksgaard International Publishers, 1997.