Lua APA (7ú heag.)

Vieira, W. (1997). The new sales manager: Challenges for twenty first century. Resoponse.

Lua i Stíl Chicago (17ú heag.)

Vieira, Walter. The New Sales Manager: Challenges for Twenty First Century. New Delhi: Resoponse, 1997.

Lua MLA (9ú heag.)

Vieira, Walter. The New Sales Manager: Challenges for Twenty First Century. Resoponse, 1997.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.