Rujukan Columbiformes

  1. ↑ "Columbiformes (Pigeons, Doves, and Dodos)". Francis Hugh John Crome. Grzimek's Animal Life Encyclopedia. Eds. Michael Hutchins, Dennis A. Thoney, and Melissa C. McDade. Vol. 9: Birds II. 2nd ed. Detroit: Gale, 2004. p 241-246. 17 vols.
  2. ↑ [Curry, Robert. "Avian Orders: Columbiformes." BirdNet. 1 Nov. 2003. Smithsonian Institution. 11 Aug. 2007 <http://www.nmnh.si.edu/BIRDNET/ORDERS/Columbiformes.html>.
  3. ↑ "Drinking Behavior of Mousebirds in the Namib Desert, Southern Africa "; Tom J. Cade and Lewis I. Greenwald; The Auk, V.83, No. 1, January, 1966 pdf
  4. ↑ K. Lorenz, Verhandl. Deutsch. Zool. Ges., 41 [Zool. Anz. Suppl. 12]: 69-102, 1939