APA
M.K.Roy, D.Ghosh, . (1998). Cobal Programming including MS-Cobal and Cobal-85. New Delhi: Tata McGraw Hill.
Chicago
M.K.Roy, D.Ghosh, . 1998. Cobal Programming including MS-Cobal and Cobal-85. New Delhi: Tata McGraw Hill.
Harvard
M.K.Roy, D.Ghosh, . (1998). Cobal Programming including MS-Cobal and Cobal-85. New Delhi: Tata McGraw Hill.
MLA
M.K.Roy, D.Ghosh, . Cobal Programming including MS-Cobal and Cobal-85. New Delhi: Tata McGraw Hill. 1998.