Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.