APA-čujuhus (7. p.)
Roy, M. K., & Ghosh Dastidar, D. (1982). Cobol programming: Including ms cobol and cobol 85 (2nd ed.). Tata McGraw-Hill.
Chicago-čujuhus (17. p.)
Roy, M. K., juo D. Ghosh Dastidar. Cobol Programming: Including Ms Cobol and Cobol 85. 2nd ed. New Delhi: Tata McGraw-Hill, 1982.
MLA-čujuhus (9. p.)
Roy, M. K., juo D. Ghosh Dastidar. Cobol Programming: Including Ms Cobol and Cobol 85. 2nd ed. Tata McGraw-Hill, 1982.
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