Παραπομπή σε μορφή APA (7η εκδ.)

Filippopoulos, P. C. (2007). Customer relationship management and its contribution to customer satisfaction. ΤΕΙ Πειραιά.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Filippopoulos, Panagiotis C. Customer Relationship Management and Its Contribution to Customer Satisfaction. ΤΕΙ Πειραιά, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

Filippopoulos, Panagiotis C. Customer Relationship Management and Its Contribution to Customer Satisfaction. ΤΕΙ Πειραιά, 2007.