Παραπομπή σε μορφή APA (7η εκδ.)

Schumann, J. H. (2009). The Impact of Culture on Relationship Marketing in International Services: A Target Group-Specific Analysis in the Context of Banking Services. Gabler.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Schumann, Jan H. The Impact of Culture on Relationship Marketing in International Services: A Target Group-Specific Analysis in the Context of Banking Services. Wiesbaden: Gabler, 2009.

Παραπομπή σε μορφή MLA (8th εκδ.)

Schumann, Jan H. The Impact of Culture on Relationship Marketing in International Services: A Target Group-Specific Analysis in the Context of Banking Services. Gabler, 2009.