SHEPHERD, Jack. Mumford & Sons announce new album Delta, release single 'Guiding Light' [online]. The Independent, 20.9.2018, [cit. 2019-10-16]. Dostupné online. (po anglicky)
nme.com
AUBREY, Elizabeth. Mumford & Sons return with “explosive” new single ‘Guiding Light’ and announce details of new album [online]. NME, 20.9.2018, [cit. 2019-10-16]. Dostupné online. (po anglicky)
rollingstone.com
SUTHERLAND, Mark. Inside Mumford & Sons’ Wildly Experimental Fourth Album ‘Delta’ [online]. Rolling Stone, 20.9.2018, [cit. 2019-10-16]. Dostupné online. (po anglicky)