Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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