Stumm, D. A. (1985). The new sales manager's survival guide. National Book Store.
Lua i Stíl Chicago (17ú heag.)Stumm, David A. The New Sales Manager's Survival Guide. Manila: National Book Store, 1985.
Lua MLA (9ú heag.)Stumm, David A. The New Sales Manager's Survival Guide. National Book Store, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.