CUDNY, Waldemar. City Branding and Promotion: The Strategic Approach. New York: Routledge, 2019. 186 p. ISBN 978-1-138-48810-6 .
GRAU, Stacy. Marketing for Nonprofit Organizations: Insights and Innovations. 2nd ed. New York: Oxford University Press, 2021. 240 p. ISBN 978-0-190-09080-7 .
WIRTZ, Jochen and Christopher LOVELOCK. Essentials of Services Marketing. 3rd ed. Harlow: Pearson, 2018. 670 p. ISBN 978-1-292-08995-9 .