Kieburtz, R. B. (1977). Structured programming and problem solving with PL/1. Prentice-Hall.
芝加哥风格引文Kieburtz, Richard B. Structured Programming and Problem Solving with PL/1. Englewood Cliffs, N.J.: Prentice-Hall, 1977.
MLA引文Kieburtz, Richard B. Structured Programming and Problem Solving with PL/1. Prentice-Hall, 1977.
警告：这些引文格式不一定是100％准确.