Παραπομπή σε μορφή APA (7η εκδ.)

Johnston, M. W., & Marshall, G. W. (2022). Contemporary selling: Building relationships, creating value (Sixth edition.). Routledge.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Johnston, Mark W., και Greg W. Marshall. Contemporary Selling: Building Relationships, Creating Value. Sixth edition. Abingdon, Oxon: Routledge, 2022.

Παραπομπή σε μορφή MLA (9th εκδ.)

Johnston, Mark W., και Greg W. Marshall. Contemporary Selling: Building Relationships, Creating Value. Sixth edition. Routledge, 2022.