Belsky, S. (2012). Marketing Ideas Happen. Penguin.
Lua i Stíl Chicago (17ú heag.)Belsky, Scott. Marketing Ideas Happen. New York: Penguin, 2012.
Lua MLA (9ú heag.)Belsky, Scott. Marketing Ideas Happen. Penguin, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.