APA引文

EDWARDS, P. (1987). Advanced cobol. Macmillan.

芝加哥风格引文

EDWARDS, Perry. Advanced Cobol. New York: Macmillan, 1987.

MLA引文

EDWARDS, Perry. Advanced Cobol. Macmillan, 1987.

警告：这些引文格式不一定是100％准确.