Comelli, Martino (25 February 2021). «The impact of welfare on household debt». Sociological Spectrum41 (2): 154–176. doi:10.1080/02732173.2021.1875088.
etymonline.com
«Credit». www.etymonline.com. Online Etymology Dictionary. Ανακτήθηκε στις 17 Μαΐου 2017.