APA aipamena

Ball, D. A. (2012). International Business: The Challenge of Global Competition. McGraw-Hill Education.

Chicago Style aipamena

Ball, Don. A. International Business: The Challenge of Global Competition. McGraw-Hill Education, 2012.

MLA aipamena

Ball, Don. A. International Business: The Challenge of Global Competition. McGraw-Hill Education, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.