APA aipamena

The Trade Mark Reporter (1933) Vol.23. The United States Trade Mark Association.

Chicago Style aipamena

The Trade Mark Reporter (1933) Vol.23. New York: The United States Trade Mark Association.

MLA aipamena

The Trade Mark Reporter (1933) Vol.23. The United States Trade Mark Association.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.