APA aipamena

Cassel, D. (1988). Advanced Structured Cobol And Program Design. Prentice Hall.

Chicago Style aipamena

Cassel, Don. Advanced Structured Cobol And Program Design. Prentice Hall, 1988.

MLA aipamena

Cassel, Don. Advanced Structured Cobol And Program Design. Prentice Hall, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.