William Benton. (1968). The World Book Encyclopedia C to Ch, volume 3. USA.
Chicago Style CitationWilliam Benton. The World Book Encyclopedia C to Ch, Volume 3. USA, 1968.
Cita MLAWilliam Benton. The World Book Encyclopedia C to Ch, Volume 3. USA, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.