APA aipamena

(1952). The ENCYLOPEDIA Americana: Complete in thirty volumes. Americana Corporation.

Chicago Style aipamena

The ENCYLOPEDIA Americana: Complete in Thirty Volumes. Americana Corporation, 1952.

MLA aipamena

The ENCYLOPEDIA Americana: Complete in Thirty Volumes. Americana Corporation, 1952.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.