Dyfyniad APA

Ashley, R., & Fernandez, J. N. (1984). Tape and disk files: Cobol book 3. Wiley.

Dyfyniad Arddull Chicago

Ashley, Ruth, and Judi N. Fernandez. Tape and Disk Files: Cobol Book 3. New York: Wiley, 1984.

Dyfyniad MLA

Ashley, Ruth, and Judi N. Fernandez. Tape and Disk Files: Cobol Book 3. Wiley, 1984.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.