APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.