APA aipamena

Pugel, T. A. (2000). International economics. Boston: McGraw-Hill.

Chicago Style aipamena

Pugel, Thomas A. International Economics. Boston: McGraw-Hill, 2000.

MLA aipamena

Pugel, Thomas A. International Economics. Boston: McGraw-Hill, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.