Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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