APA aipamena

(1948). Building world trade. Washington: U.S. Goverment Printing Office.

Chicago Style aipamena

Building World Trade. Washington: U.S. Goverment Printing Office, 1948.

MLA aipamena

Building World Trade. Washington: U.S. Goverment Printing Office, 1948.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.