Stewart, G. (1999). Succesful sales management. Universities Press.
Lua i Stíl Chicago (17ú heag.)Stewart, Grant. Succesful Sales Management. Hyderabad: Universities Press, 1999.
Lua MLA (9ú heag.)Stewart, Grant. Succesful Sales Management. Universities Press, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.