APA引文

Feingold, C. (1983). Fundamentals of structured COBOL programming (4th ed.). W.C. Brown Co..

芝加哥风格引文

Feingold, Carl. Fundamentals of Structured COBOL Programming. 4th ed. Dubuque, Iowa: W.C. Brown Co., 1983.

MLA引文

Feingold, Carl. Fundamentals of Structured COBOL Programming. 4th ed. W.C. Brown Co., 1983.

警告：这些引文格式不一定是100％准确.