Childress, R. L. (1974). Sets, matrices, and linear programming. Prentice-Hall, Inc.
芝加哥风格引文Childress, Robert L. Sets, Matrices, and Linear Programming. Englewood Cliffs, N.J: Prentice-Hall, Inc, 1974.
MLA引文Childress, Robert L. Sets, Matrices, and Linear Programming. Prentice-Hall, Inc, 1974.
警告：这些引文格式不一定是100％准确.