Haugen, R. A. (1987). Introductory investment theory. Prentice-Hall.
芝加哥风格引文Haugen, Robert A. Introductory Investment Theory. Englewood Cliffs, N.J: Prentice-Hall, 1987.
MLA引文Haugen, Robert A. Introductory Investment Theory. Prentice-Hall, 1987.
警告：这些引文格式不一定是100％准确.