APA aipamena

Heather,Ken. (2002). The economics of industries and firms. Pearson Education Ltd.

Chicago Style aipamena

Heather,Ken. The Economics of Industries and Firms. Harlow: Pearson Education Ltd, 2002.

MLA aipamena

Heather,Ken. The Economics of Industries and Firms. Pearson Education Ltd, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.