Pei, M. A. . .. (1961). World`s chief languages (3.). George Allen & Unwin Ltd.
Chicago Edition CitationPei, Mario A. World`s Chief Languages. 3. London: George Allen & Unwin Ltd, 1961.
MLA Edition CitationPei, Mario A. World`s Chief Languages. 3. George Allen & Unwin Ltd, 1961.
Warning: These citations may not always be 100% accurate.