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Lua i Stíl Chicago (17ú heag.)Wilson,Alon. Marketing Research. 3. Nodia: Pearson India, 2014.
Lua MLA (9ú heag.)Wilson,Alon. Marketing Research. 3. Pearson India, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.