@book{Brealey_Myers_Allen_2019, address={New York}, edition={13th ed}, title={Principles of corporate finance}, url={https://ebookcentral.proquest.com/lib/bilibrary/detail.action?pq-origsite=primo&docID=6212924}, publisher={McGraw-Hill}, author={Brealey, Richard A. and Myers, Stewart C. and Allen, Franklin}, year={2019} }
@book{Higgins_2016, address={Boston, Mass}, edition={11th ed}, title={Analysis for financial management}, publisher={McGraw-Hill}, author={Higgins, Robert C.}, year={2016} }