APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.