Berk, J. and DeMarzo, P.M. (no date) Corporate finance: the core. 3rd ed., Global ed. Boston: Pearson. Available at: https://www.dawsonera.com.ezproxy.library.bi.no/abstract/9780273792260.
Ross, S. et al. (no date) Corporate finance. 2nd European ed. London: McGraw-Hill Higher Education.