The University of Chicago. (1948). Encyclopaedia Britannica 11: A new survey of universal knowledge. Encyclopaedia Britannica.
Chicago-čujuhus (17. p.)The University of Chicago. Encyclopaedia Britannica 11: A New Survey of Universal Knowledge. Chicago: Encyclopaedia Britannica, 1948.
MLA-čujuhus (9. p.)The University of Chicago. Encyclopaedia Britannica 11: A New Survey of Universal Knowledge. Encyclopaedia Britannica, 1948.
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