Dyfyniad APA

Roy, M., & Dastidar, G. D. (1997). COBOL programming: Problems and solutions. Tata McGraw Hill.

Dyfyniad Arddull Chicago

Roy, M.K, and Ghosh D. Dastidar. COBOL Programming: Problems and Solutions. New Delhi: Tata McGraw Hill, 1997.

Dyfyniad MLA

Roy, M.K, and Ghosh D. Dastidar. COBOL Programming: Problems and Solutions. Tata McGraw Hill, 1997.

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