APA
Roy M. K. &. D. D. G., . (1982). Cobal programming including ms cobal &cabal-85. Tata McGraw Hill, Calcutta: .
Chicago
Roy M K & Dastidar D Ghosh, . 1982. Cobal programming including ms cobal &cabal-85. Tata McGraw Hill, Calcutta: .
Harvard
Roy M. K. &. D. D. G., . (1982). Cobal programming including ms cobal &cabal-85. Tata McGraw Hill, Calcutta: .
MLA
Roy M K & Dastidar D Ghosh, . Cobal programming including ms cobal &cabal-85. Tata McGraw Hill, Calcutta: . 1982.