APA (7th ed.) Zitazioa
Weiss, K. D. (2008). Building an import/export business (4th ed.). J. Wiley & Sons.
Chicago Style (17th ed.) Zitazioa
Weiss, Kenneth D. Building an Import/export Business. 4th ed. Hoboken, NJ: J. Wiley & Sons, 2008.
MLA (9th ed.) Zitazioa
Weiss, Kenneth D. Building an Import/export Business. 4th ed. J. Wiley & Sons, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.