APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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