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Lua i Stíl Chicago (17ú heag.)KOTLER PHILIP. MARKETING MANAGEMENT. 13TH. NEW DELHI: PEARSON EDUCATION, 2009.
Lua MLA (9ú heag.)KOTLER PHILIP. MARKETING MANAGEMENT. 13TH. PEARSON EDUCATION, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.