APA引文

Roy, M. (1982). Cobol programming (2nd.). Tata Mc Graw Hill.

Chicago Style (17th ed.) Citation

Roy, M. Cobol Programming. 2nd. New Delhi: Tata Mc Graw Hill, 1982.

MLA引文

Roy, M. Cobol Programming. 2nd. Tata Mc Graw Hill, 1982.

警告：這些引文格式不一定是100％准確.