Παραπομπή σε μορφή APA (7η εκδ.)

NEWELL FREDERICK. (2000). LOYALTY-COM: CUSTOMER RELATIONSHIP MANAGEMENT IN THE NEW ERA OF INTERNET MARKETING. MCGRAW-HILL.

Παραπομπή σε μορφή Chicago (17η εκδ.)

NEWELL FREDERICK. LOYALTY-COM: CUSTOMER RELATIONSHIP MANAGEMENT IN THE NEW ERA OF INTERNET MARKETING. NEW YORK: MCGRAW-HILL, 2000.

Παραπομπή σε μορφή MLA (9th εκδ.)

NEWELL FREDERICK. LOYALTY-COM: CUSTOMER RELATIONSHIP MANAGEMENT IN THE NEW ERA OF INTERNET MARKETING. MCGRAW-HILL, 2000.