GUTH, Stephen. Project Procurement Management: A Guide to Structured Procurements. North Charleston: Create Space Independent Publishing Platform, 2016. ISBN 978-1522937074 .
LYSONS, Kenneth and Brian FARRINGTON. Procurement and Supply Chain Management. 9th Edition. New York: Pearson Education, 2016. ISBN 978-1-292-08611-8.
MONCZKA, Robert M. et al. Purchasing and Supply Chain Management. Boston: Cengage Learning, 2016. ISBN 978-1-285-86968-1.