Higman, B. (1977). A comparative study of programming languages (2nd ed.). Macdonald and Jane's.
Chicago-referens (17:e uppl.)Higman, Bryan. A Comparative Study of Programming Languages. 2nd ed. London: Macdonald and Jane's, 1977.
MLA-referens (9:e uppl.)Higman, Bryan. A Comparative Study of Programming Languages. 2nd ed. Macdonald and Jane's, 1977.
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