Παραπομπή σε μορφή APA (7η εκδ.)

Egan John. (2004). Relationship marketing: Exploring relational strategies in marketing (2nd ed.). Financial Times Prentice Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Egan John. Relationship Marketing: Exploring Relational Strategies in Marketing. 2nd ed. Financial Times Prentice Hall, 2004.

Παραπομπή σε μορφή MLA (8th εκδ.)

Egan John. Relationship Marketing: Exploring Relational Strategies in Marketing. 2nd ed. Financial Times Prentice Hall, 2004.