Cita APA (7th ed.)

Buttle, F., & Maklan, S. (2022). Customer Relationship management (4th.). Routledge.

Cita Chicago (17th ed.)

Buttle, Francis, i Stan Maklan. Customer Relationship Management. 4th. New York: Routledge, 2022.

Cita MLA (9th ed.)

Buttle, Francis, i Stan Maklan. Customer Relationship Management. 4th. Routledge, 2022.