Cita APA (7th ed.)

Horn, L. W., Gleason, G. M., & Horn, L. W. (1986). Fundamentals of structured COBOL. Boyd & Fraser Pub. Co..

Cita Chicago (17th ed.)

Horn, L. Wayne, Gary M. Gleason, i Lister Wayne Horn. Fundamentals of Structured COBOL. Boston: Boyd & Fraser Pub. Co., 1986.

Cita MLA (8th ed.)

Horn, L. Wayne, et al. Fundamentals of Structured COBOL. Boyd & Fraser Pub. Co., 1986.