Ed. Sanja Bogojevi, Xavier Groussot and Jörgen Hettne, eds, Discretion in EU Public Procurement Law, Oxford, Hart Publishing, 2018 (chap. I-VII)
BEATE SJAFJELL AND ANJA WIESBROCK, eds, SUSTAINABLE PUBLIC PROCUREMENT UNDER EU LAW. New Perspectives on the State as Stakeholder, Cambridge University Press, Chap. III and X.
EU Commission, PUBLIC PROCUREMENT GUIDANCE FOR
PRACTITIONERS, February 2018, http://eur-lex.europa.eu
