एपीए उद्धरण

The Trade Mark Reporter (1960) Vol.50. The United States Trade Mark Association.

शिकागो स्टाइल उद्धरण

The Trade Mark Reporter (1960) Vol.50. New York: The United States Trade Mark Association.

एमएलए उद्धरण

The Trade Mark Reporter (1960) Vol.50. The United States Trade Mark Association.