Wall, R. (1972). Introduction to mathematical linguistics. Prentice-Hall.
芝加哥风格引文Wall, Robert. Introduction to Mathematical Linguistics. Englewood Cliffs, N.J: Prentice-Hall, 1972.
MLA引文Wall, Robert. Introduction to Mathematical Linguistics. Prentice-Hall, 1972.
警告：这些引文格式不一定是100％准确.