APA ציטוט

William Benton. (1968). The World Book Encyclopedia W-X-Y-Z, Volume 20. USA.

Trích dẫn kiểu Chicago

William Benton. The World Book Encyclopedia W-X-Y-Z, Volume 20. USA, 1968.

ציטוט MLA

William Benton. The World Book Encyclopedia W-X-Y-Z, Volume 20. USA, 1968.