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Lua i Stíl Chicago (17ú heag.)Crouch, Sunny. MArketing Research for Managers. 3rd. New Delhi: Elsevier, 2007.
Lua MLA (9ú heag.)Crouch, Sunny. MArketing Research for Managers. 3rd. Elsevier, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.