APA-referens

Roy, M., & Dastidar, G. D. (1997). COBOL programming: Including MS COBOL and COBOL-85. - 2nd ed. , (2nd ed. ,.). Tata McGraw Hill.

Chicago-stil citat

Roy, M.K, och Ghosh D. Dastidar. COBOL Programming: Including MS COBOL and COBOL-85. - 2nd Ed. ,. 2nd ed. ,. New Delhi: Tata McGraw Hill, 1997.

MLA-referens

Roy, M.K, och Ghosh D. Dastidar. COBOL Programming: Including MS COBOL and COBOL-85. - 2nd Ed. ,. 2nd ed. ,. Tata McGraw Hill, 1997.