Παραπομπή APA

Rugman, A. M. (1985). International busienss: Firm and environment. McGraw Hill.

Παραπομπή Chicago Style

Rugman, Alan M. International Busienss: Firm and Environment. New York: McGraw Hill, 1985.

Παραπομπή MLA

Rugman, Alan M. International Busienss: Firm and Environment. McGraw Hill, 1985.