Hiam, A. (2007). Marketing. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Hiam, Alexander. Marketing. NewJersey: John Wiley & Sons, 2007.
Lua MLA (9ú heag.)Hiam, Alexander. Marketing. John Wiley & Sons, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.