APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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