Uma Sekaran. RESEARCH METHODS FOR BUSINES,6/E. Wiley.
Lua i Stíl Chicago (17ú heag.)Uma Sekaran. RESEARCH METHODS FOR BUSINES,6/E. Wiley.
Lua MLA (9ú heag.)Uma Sekaran. RESEARCH METHODS FOR BUSINES,6/E. Wiley.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.