Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Warning: These citations may not always be 100% accurate.