Ashley, R., & Fernandez, J. N. (1984). Tape and disk files: Cobol book 3. Wiley.
芝加哥风格引文Ashley, Ruth, 与 Judi N. Fernandez. Tape and Disk Files: Cobol Book 3. New York: Wiley, 1984.
MLA引文Ashley, Ruth, 与 Judi N. Fernandez. Tape and Disk Files: Cobol Book 3. Wiley, 1984.
警告：这些引文格式不一定是100％准确.