Mullin, R. (2010). Sales Promotion. Platinum Press.
Lua i Stíl Chicago (17ú heag.)Mullin, Roddy. Sales Promotion. New Delhi: Platinum Press, 2010.
Lua MLA (9ú heag.)Mullin, Roddy. Sales Promotion. Platinum Press, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.