Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.