APA aipamena

Earl, P., & Wakeley, T. (2005). Business economics: A contemporary approach. McGraw-Hill.

Chicago Style aipamena

Earl, Peter, and Tim Wakeley. Business Economics: A Contemporary Approach. London: McGraw-Hill, 2005.

MLA aipamena

Earl, Peter, and Tim Wakeley. Business Economics: A Contemporary Approach. McGraw-Hill, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.