Não informado. (1928). Monthly list books catalogued in the Library of the United nations. United Nations Library.
Cita Chicago Style (17a ed.)Não informado. Monthly List Books Catalogued in the Library of the United Nations. Geneve, Suíça: United Nations Library, 1928.
Cita MLA (8a ed.)Não informado. Monthly List Books Catalogued in the Library of the United Nations. United Nations Library, 1928.
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