Παραπομπή APA

Roy, M. K., & Dastidar, D. G. (1998). Cobol programming: Including MS COBOL and COBOL-85. Tata Mc Graw Hill.

Παραπομπή Chicago Style

Roy, M. K., και D Ghosh Dastidar. Cobol Programming: Including MS COBOL and COBOL-85. NewDelhi: Tata Mc Graw Hill, 1998.

Παραπομπή MLA

Roy, M. K., και D Ghosh Dastidar. Cobol Programming: Including MS COBOL and COBOL-85. Tata Mc Graw Hill, 1998.