TRIPATHI P C. (1983). PRINCIPLES OF MANAGEMENT. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Lua i Stíl Chicago (17ú heag.)TRIPATHI P C. PRINCIPLES OF MANAGEMENT. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1983.
Lua MLA (9ú heag.)TRIPATHI P C. PRINCIPLES OF MANAGEMENT. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.