Frans Gregersen (maj 2012), ""PLUS THAT I BELIEVE IT IS AN INNOVATION....…" On the marginal construction with plus at as an initial conjunction in modern spoken Danish", Acta Linguistica Hafniensia, 44 (1): 45-63, doi:10.1080/03740463.2011.735474, Wikidata Q58482515
Jens Nørgård-Sørensen (2001), "Plus at – en ny konjunktion i dansk", Danske Studier, 96: 65-84, Wikidata Q58482429
Frans Gregersen (maj 2012), ""PLUS THAT I BELIEVE IT IS AN INNOVATION....…" On the marginal construction with plus at as an initial conjunction in modern spoken Danish", Acta Linguistica Hafniensia, 44 (1): 45-63, doi:10.1080/03740463.2011.735474, Wikidata Q58482515