Cita APA (7th ed.)

Buttle, F. (2015). Customer Relationship Management (3rd.). Routledge.

Cita Chicago (17th ed.)

Buttle, Francis. Customer Relationship Management. 3rd. Mumbai: Routledge, 2015.

Cita MLA (9th ed.)

Buttle, Francis. Customer Relationship Management. 3rd. Routledge, 2015.