BHATTACHARYYA S K. (1976). MANAGEMENT PLANNING & INFORMATION SYSTEM. LEARNING SYSTEMS.
Lua i Stíl Chicago (17ú heag.)BHATTACHARYYA S K. MANAGEMENT PLANNING & INFORMATION SYSTEM. NEW DELHI: LEARNING SYSTEMS, 1976.
Lua MLA (9ú heag.)BHATTACHARYYA S K. MANAGEMENT PLANNING & INFORMATION SYSTEM. LEARNING SYSTEMS, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.