Baran, R. J. a. G. (2017). Customer Relationship Management The Foundation of Contemporary Marketing Strategy (2nd.). Routledge.
Čikaški stil citiranja (17. izdanje)Baran, Roger J and Galka. Customer Relationship Management The Foundation of Contemporary Marketing Strategy. 2nd. Routledge, 2017.
MLA način citiranja (9. izdanje)Baran, Roger J and Galka. Customer Relationship Management The Foundation of Contemporary Marketing Strategy. 2nd. Routledge, 2017.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.