Παραπομπή σε μορφή APA (7η εκδ.)

Hougaard, S., & Bjerre, M. (2009). The Relationship Marketer: Rethinking Strategic Relationship Marketing (Second Edition.). Springer Berlin Heidelberg.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hougaard, Søren, και Mogens Bjerre. The Relationship Marketer: Rethinking Strategic Relationship Marketing. Second Edition. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hougaard, Søren, και Mogens Bjerre. The Relationship Marketer: Rethinking Strategic Relationship Marketing. Second Edition. Springer Berlin Heidelberg, 2009.