Booth, Wayne C., Gregory G. Colomb, Joseph M. Williams, Joseph Bizup, and William T. Fitzgerald (2016). The craft of research (4 ed.). Chicago: University of Chicago Press. Available: https://ebookcentral.proquest.com/lib/uu/detail.action?docID=4785166 [Retrieved 2021-06-22].
Magnusson, Lars (2014). Sveriges ekonomiska historia. Lund: Studentlitteratur.