APA aipamena

(2002). American portraits: Biographies in United States history. Boston: McGraw-Hill.

Chicago Style aipamena

American Portraits: Biographies in United States History. Boston: McGraw-Hill, 2002.

MLA aipamena

American Portraits: Biographies in United States History. Boston: McGraw-Hill, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.