APA引文

ROY M.K. (1991). COBOL PROGRAMMING. TATA MC GRAW HILL.

Chicago Style (17th ed.) Citation

ROY M.K. COBOL PROGRAMMING. TATA MC GRAW HILL, 1991.

MLA引文

ROY M.K. COBOL PROGRAMMING. TATA MC GRAW HILL, 1991.

警告：這些引文格式不一定是100％准確.