APA (7e ed.) Bronvermelding

Buttle, F., & Maklan, S. (2019). Customer Relationship Management: Concepts And Technologies (4th.). Routledge.

Chicago (17e ed.) Bronvermelding

Buttle, Francis, en Stan Maklan. Customer Relationship Management: Concepts And Technologies. 4th. New York: Routledge, 2019.

MLA (9e ed.) Bronvermelding

Buttle, Francis, en Stan Maklan. Customer Relationship Management: Concepts And Technologies. 4th. Routledge, 2019.