McDANIEL, C. (2013). Marketing Research 9th Edition. John Wiley.
Lua i Stíl Chicago (17ú heag.)McDANIEL, Carl. Marketing Research 9th Edition. John Wiley, 2013.
Lua MLA (8ú heag.)McDANIEL, Carl. Marketing Research 9th Edition. John Wiley, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.