(1960). BRITANNICA junior: Prepared under the supervision of the editors of the encyclopedia Britannica. : Encyclopedia Britannica.
Chicago-čujuhus (17. p.)BRITANNICA Junior: Prepared Under the Supervision of the Editors of the Encyclopedia Britannica. : Encyclopedia Britannica, 1960.
MLA-čujuhus (9. p.)BRITANNICA Junior: Prepared Under the Supervision of the Editors of the Encyclopedia Britannica. : Encyclopedia Britannica, 1960.
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