Welsh, J., & Elder, J. (1988). Introduction to Pascal (3rd ed.). Prentice Hall.
芝加哥风格引文Welsh, Jim, 与 John Elder. Introduction to Pascal. 3rd ed. New York: Prentice Hall, 1988.
MLA引文Welsh, Jim, 与 John Elder. Introduction to Pascal. 3rd ed. Prentice Hall, 1988.
警告：这些引文格式不一定是100％准确.