Bakker, J. W. d. (1967). Formal definition of programming languages: With an application to the definition of algol 60. Mathematisch Centrum.
芝加哥风格引文Bakker, J. W. de. Formal Definition of Programming Languages: With an Application to the Definition of Algol 60. Amsterdam: Mathematisch Centrum, 1967.
MLA引文Bakker, J. W. de. Formal Definition of Programming Languages: With an Application to the Definition of Algol 60. Mathematisch Centrum, 1967.
警告：这些引文格式不一定是100％准确.