Donaldson, B. (2007). Sales management: Principles, process, and practice (3rd ed.). Palgrave Macmillan.
Lua i Stíl Chicago (17ú heag.)Donaldson, Bill. Sales Management: Principles, Process, and Practice. 3rd ed. Basingstoke: Palgrave Macmillan, 2007.
Lua MLA (8ú heag.)Donaldson, Bill. Sales Management: Principles, Process, and Practice. 3rd ed. Palgrave Macmillan, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.