Dyfyniad APA

Hakanasson. (1982). International marketing and purchasing of industrial goods. John wiley&son.

Dyfyniad Arddull Chicago

Hakanasson. International Marketing and Purchasing of Industrial Goods. New York: John wiley&son, 1982.

Dyfyniad MLA

Hakanasson. International Marketing and Purchasing of Industrial Goods. John wiley&son, 1982.

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