References Treccani.itTreccani.it: Enciclopedia, Vocabolario
; ; ZinZingarelli, Nicola, Lo Zingarelli 2021. Vocabolario della lingua italiana. 12. ed., rist., 2021.
; AGROVOCAGROVOC Multilingual thesaurus
: Gruiformes; AVIAvibase. The world bird database, [managed by] Denis Lepage, vers. in italiano
; CABCAB Thesaurus, [edited by] CABI, Commonwealth Agricultural Bureaux International
; NALTUSDA, United States department of agriculture - National agricultural library - Inter-American institute for cooperation on agriculture, The agricultural thesaurus and glossary
; Wikipedia(IT)Wikipedia. L'enciclopedia libera, [ed. in lingua italiana dell' enciclopedia online Wikipedia]
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