APA aipamena

Pile, L. (2005). Intelligent business Intermediate Workbook. England: Pearson Education Limit.

Chicago Style aipamena

Pile, Louise. Intelligent Business Intermediate Workbook. England: Pearson Education Limit, 2005.

MLA aipamena

Pile, Louise. Intelligent Business Intermediate Workbook. England: Pearson Education Limit, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.