Coburn, E. J. (1988). Beginning structured COBOL. Harcourt Brace Jovanovich.
芝加哥风格引文Coburn, Edward J. Beginning Structured COBOL. San Diego: Harcourt Brace Jovanovich, 1988.
MLA引文Coburn, Edward J. Beginning Structured COBOL. Harcourt Brace Jovanovich, 1988.
警告：这些引文格式不一定是100％准确.