Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.
APA4ort.xyz Knowledge Graph. (2026). Perceptual-cognitive expertise when refereeing the scrum in rugby union. Retrieved May 24, 2026, from https://4ort.xyz/entity/perceptual-cognitive-expertise-when-refereeing-the-scrum-in-rugby-union
MLA“Perceptual-cognitive expertise when refereeing the scrum in rugby union.” 4ort.xyz Knowledge Graph, 4ort.xyz, 24 May. 2026, https://4ort.xyz/entity/perceptual-cognitive-expertise-when-refereeing-the-scrum-in-rugby-union.
BibTeX@misc{4ortxyz_perceptual-cognitive-expertise-when-refereeing-the-scrum-in-rugby-union_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Perceptual-cognitive expertise when refereeing the scrum in rugby union}}, year = {2026}, url = {https://4ort.xyz/entity/perceptual-cognitive-expertise-when-refereeing-the-scrum-in-rugby-union}, note = {Accessed: 2026-05-24}}
LLM promptAccording to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Perceptual-cognitive expertise when refereeing the scrum in rugby union — https://4ort.xyz/entity/perceptual-cognitive-expertise-when-refereeing-the-scrum-in-rugby-union (retrieved 2026-05-24)