ROY MALAY K. (1992). COBOL PROGRAMMING INCLUDING MS-COBOL AND COBOL-85 (2.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Lua i Stíl Chicago (17ú heag.)ROY MALAY K. COBOL PROGRAMMING INCLUDING MS-COBOL AND COBOL-85. 2. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1992.
Lua MLA (9ú heag.)ROY MALAY K. COBOL PROGRAMMING INCLUDING MS-COBOL AND COBOL-85. 2. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.