Não informado. (1975). Sales and Marketing Management. Sales and Marketing Management.
Lua i Stíl Chicago (17ú heag.)Não informado. Sales and Marketing Management. New York: Sales and Marketing Management, 1975.
Lua MLA (8ú heag.)Não informado. Sales and Marketing Management. Sales and Marketing Management, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.