Мали ронац — разлика између измена

<ref name=Gal1998>{{cite journal|last=Gál|first=Erika |last2=Hír|first2=János|last3=Kessler|first3=Eugén|last4=Kókay|first4=József|date year=1998–99 |title=Középsõ-miocén õsmaradványok, a Mátraszõlõs, Rákóczi-kápolna alatti útbevágásból. I. A Mátraszõlõs 1. lelõhely |trans_title=Middle Miocene fossils from the sections at the Rákóczi chapel at Mátraszőlős. Locality Mátraszõlõs I. |journal=Folia Historico Naturalia Musei Matraensis |volume=23 |language=мађарски, енглески |url=http://www.matramuzeum.hu/Personal/folia/23/03MATSZOLOS.PDF |format=PDF|pages=33-7833–78}}</ref>

<ref name=Livezey1986>{{cite journal|last=Livezey|first=Bradley C. |year=1986|title=A phylogenetic analysis of recent anseriform genera using morphological characters |journal=[[Auk (journal)|Auk]] |volume=103 |issue=4 |url=http://sora.unm.edu/sites/default/files/journals/auk/v103n04/p0737-p0754.pdf |jstor=4088089|pages=737-754737–754}}</ref>

<ref name="Mlíkovský123">{{cite book|last=Mlíkovský |first=Jiří |year=2002 |title=Cenozoic Birds of the World, Part 1: Europe |publisher=Ninox Press |location=Prague |id={{Listed Invalid ISBN |80-901105-3-8}} |url=http://www.nm.cz/download/JML-18-2002-CBE.pdf |format=PDF |pages=123 |accessdate = 27. 09. 2017 |archive-url=https://www.webcitation.org/5wzfLX4u8?url=http://www.nm.cz/download/JML-18-2002-CBE.pdf |archive-date=07. 03. 2011 |url-status=dead | pages = 123 }}<!-- This should be treated with extreme caution as regards merging of species. Splits are usually good though. See also critical review in Auk121:623-627 here http://www.findarticles.com/p/articles/mi_qa3793/is_200404/ai_n9396879 --></ref>