Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Krafft, M., Hesse, J., Höfling, J., Peters, K., & Rinas, D. (2007). International Direct Marketing: Principles, Best Practices, Marketing Facts. Springer Berlin Heidelberg.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Manfred Krafft, Jürgen Hesse, Jürgen Höfling, Kay Peters, και Diane Rinas. International Direct Marketing: Principles, Best Practices, Marketing Facts. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. International Direct Marketing: Principles, Best Practices, Marketing Facts. Springer Berlin Heidelberg, 2007.