„Kígyónyakúmadár-félék” változatai közötti eltérés

*[[Leslie Christidis|Christidis, Les]] & Boles, Walter E. (2008<!-- "2007" -->): [https://books.google.com/books?id=SFP9P1i-PoEC&pg=PA100 ''Systematics and Taxonomy of Australian Birds'']. CSIRO Publishing, CollingwoodVictoria, Australia. {{ISBN|978-0-643-06511-6}}

*Cione, Alberto Luis; de las Mercedes Azpelicueta, María; Bond, Mariano; Carlini, Alfredo A.; Casciotta, Jorge R.; Cozzuol, Mario Alberto; de la Fuente, Marcelo; Gasparini, Zulma; Goin, Francisco J.; Noriega, Jorge; Scillatoyané, Gustavo J.; Soibelzon, Leopoldo; Tonni, Eduardo Pedro; Verzi, Diego & Guiomar Vucetich, María (2000): [http://dgisrv15.unt.edu.ar/fcsnat/insugeo/libro_neogeno/neogeno_argentina.pdf Miocene vertebrates from Entre Ríos province, eastern Argentina]{{Halott link|url=http://dgisrv15.unt.edu.ar/fcsnat/insugeo/libro_neogeno/neogeno_argentina.pdf |date=2018-07 }}. [English with Spanish abstract] ''In:'' Aceñolaza, F.G. & Herbst, R. (eds.): El Neógeno de Argentina. ''INSUGEO Serie Correlación Geológica'' '''14''': 191–237.

*Jobling, James A. (1991): ''A Dictionary of Scientific Bird Names''. Oxford University Press, Oxford, UK. {{ISBN|0-19-854634-3}}

*{{cite journal|author= Kennedy, Martyn; Spencer, Hamish G. & Gray, Russell D. |year=1996|title= Hop, step and gape: do the social displays of the Pelecaniformes reflect phylogeny? ''Animal Behaviour''|volume=51|issue=2|pages= 273–291|doi=10.1006/anbe.1996.0028|journal= Animal Behaviour}} {{cite journal|journal= Animal Behaviour|volume=51|issue=5|pages= 1197|doi=10.1006/anbe.1996.0124|title= Erratum|year= 1996 }}