Não informado. Smithsonian opportunities for research and study in history, art, science. Smithsonian Institution, Board of Academic Studies.
Citace podle Chicago (17th ed.)Não informado. Smithsonian Opportunities for Research and Study in History, Art, Science. Washington: Smithsonian Institution, Board of Academic Studies.
Citace podle MLA (8th ed.)Não informado. Smithsonian Opportunities for Research and Study in History, Art, Science. Smithsonian Institution, Board of Academic Studies.
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