Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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