Gaya APA

Cunningham, Michael J. (2002). Costumer relationship management . United Kingdom: Capstone Publishing.

Gaya Chicago

Cunningham, Michael J. Costumer relationship management. United Kingdom: Capstone Publishing, 2002. Digital.

Gaya MLA

Cunningham, Michael J. Costumer relationship management. United Kingdom: Capstone Publishing, 2002. Digital.

Gaya Turabian

Cunningham, Michael J. Costumer relationship management. United Kingdom: Capstone Publishing, 2002. Digital.