APA引文

Boettcher, R. R. (1987). Structured programming in COBOL. Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Boettcher, Robert R. Structured Programming in COBOL. New York: Holt, Rinehart and Winston, 1987.

MLA引文

Boettcher, Robert R. Structured Programming in COBOL. Holt, Rinehart and Winston, 1987.

警告：這些引文格式不一定是100％准確.