BELLENGER DANNY N. (1983). RETAILING BASICS. RICHARD D.IRWIN INC.
Lua i Stíl Chicago (17ú heag.)BELLENGER DANNY N. RETAILING BASICS. ILLINOIS: RICHARD D.IRWIN INC, 1983.
Lua MLA (9ú heag.)BELLENGER DANNY N. RETAILING BASICS. RICHARD D.IRWIN INC, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.