อ้างอิง ของ รัฐคอรอร์

  1. ↑ "Palau General Information Provided by the Palau Environmental Quality Protection Board for the 21st Annual Pacific Islands Environment Conference." U.S. Environmental Protection Agency. Retrieved on October 7, 2010.
  2. ↑ Burney, James A chronological history of the discoveries in the South Sea or Pacific Ocean, London, 1813, v.I, p.233.
  3. ↑ Coello, Francisco "Conflicto hispano-alemán" Boletín de Sociedad Geográfica de Madrid, t.XIX. 2º semestre 1885, Madrid, p.296.

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