Brealey, Richard A., Stewart C. Myers, and Franklin Allen. 2019. Principles of Corporate Finance. 13th ed. New York: McGraw-Hill. https://ebookcentral.proquest.com/lib/bilibrary/detail.action?pq-origsite=primo&docID=6212924.
Higgins, Robert C. 2016. Analysis for Financial Management. 11th ed. Boston, Mass: McGraw-Hill.