APA引文

James A Saxon. (1971). COBOL: A self insturctional manual. Newjersey.

Chicago Edition Citation

James A Saxon. COBOL: A Self Insturctional Manual. Newjersey, 1971.

MLA引文

James A Saxon. COBOL: A Self Insturctional Manual. Newjersey, 1971.

警告：这些引文格式不一定是100％准确.