Cita APA (7th ed.)
Boillot, M. H., & Boillot, M. (1982). Understanding structured COBOL. West Pub. Co..
Cita Chicago (17th ed.)
Boillot, Michel H., i Mona Boillot. Understanding Structured COBOL. St. Paul: West Pub. Co., 1982.
Cita MLA (9th ed.)
Boillot, Michel H., i Mona Boillot. Understanding Structured COBOL. West Pub. Co., 1982.
Atenció: Aquestes cites poden no estar 100% correctes.