Morgan, T. (1956). Introduction to economics (2d ed.). Prentice-Hall.
芝加哥风格引文Morgan, Theodore. Introduction to Economics. 2d ed. Englewood Cliffs, N.J.: Prentice-Hall, 1956.
MLA引文Morgan, Theodore. Introduction to Economics. 2d ed. Prentice-Hall, 1956.
警告：这些引文格式不一定是100％准确.