アカウアリンカ足跡
Antiquarian 7: 156–158.
↑ Carnegie Institution of Washington. “Geologic observations on the ancient human footprints near Managua, Nicaragua”. Contributions to American Anthropology and History 11 (52).
↑ “Ancient footprints of Acahualinca”. ViaNica. http://www.vianica.com/activity/36/ancient-footprints-of-acahualinca 2007年10月28日閲覧。
↑ Brown, Roland W; US Geological Survey, Washington, D.C. (1947-01). “Fossil plants and human footprints in Nicaragua”. Journal of Paleontology 21 (1): 38–40. http://links.jstor.org/sici?sici=0022-3360%28194701%2921%3A1%3C38%3AFPAHFI%3E2.0.CO%3B2-K 2007年1月19日閲覧。.
↑ 国際交流基金 The Japan Foundation NO.197 1997.4.1 (PDF)
↑ ODA民間モニターによる03年度報告