Boulding, K. E. (1963). Principles of economic policy. Prentice-Hall.
芝加哥风格引文Boulding, Kenneth E. Principles of Economic Policy. Englewood Cliffs, N.J: Prentice-Hall, 1963.
MLA引文Boulding, Kenneth E. Principles of Economic Policy. Prentice-Hall, 1963.
警告：这些引文格式不一定是100％准确.