Thomas Warth. (1986). Cobol for beginners. New Delhi: Prentice-Hall of India.
シカゴスタイル引用形Thomas Warth. Cobol for Beginners. New Delhi: Prentice-Hall of India, 1986.
MLA引用形式Thomas Warth. Cobol for Beginners. New Delhi: Prentice-Hall of India, 1986.
警告: この引用は必ずしも正確ではありません.