Hooghiemstra, H. (1984). Vegetational and climatic history of the high plain of Bogotá, Colombia: A continuous record of the last 3.5 million years. J. Cramer.
Chicago-referens (17:e uppl.)Hooghiemstra, Henry. Vegetational and Climatic History of the High Plain of Bogotá, Colombia: A Continuous Record of the Last 3.5 Million Years. Vaduz: J. Cramer, 1984.
MLA-referens (8:e uppl.)Hooghiemstra, Henry. Vegetational and Climatic History of the High Plain of Bogotá, Colombia: A Continuous Record of the Last 3.5 Million Years. J. Cramer, 1984.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.