RAJARAMAN V. (1985). COMPUTER PROGRAMMING IN COBOL. PRENTICE -HALL INTERNATIONAL, INC.
Lua i Stíl Chicago (17ú heag.)RAJARAMAN V. COMPUTER PROGRAMMING IN COBOL. NEW JERSEY,USA: PRENTICE -HALL INTERNATIONAL, INC, 1985.
Lua MLA (9ú heag.)RAJARAMAN V. COMPUTER PROGRAMMING IN COBOL. PRENTICE -HALL INTERNATIONAL, INC, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.