PARKAR CHARLES. (1993). MANAGEMENT INFORMATION SYSTEMS: STRATEGY & ACTION,2ND ED. MITCHELL MC-GRAW HILL.
Lua i Stíl Chicago (17ú heag.)PARKAR CHARLES. MANAGEMENT INFORMATION SYSTEMS: STRATEGY & ACTION,2ND ED. NEW-YORK: MITCHELL MC-GRAW HILL, 1993.
Lua MLA (9ú heag.)PARKAR CHARLES. MANAGEMENT INFORMATION SYSTEMS: STRATEGY & ACTION,2ND ED. MITCHELL MC-GRAW HILL, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.