1. Jensen K. and Wirth N. PASCAL - User Manual and Report 2nd Edition Springer-Verlag New York (1975). Jensen K. and Wirth N. PASCAL - User Manual and Report 2nd Edition Springer-Verlag New York (1975).
2. Kernighan B. W. and Plauger P. J. The Elements of Programming Style McGraw-Hill New York (1974). Kernighan B. W. and Plauger P. J. The Elements of Programming Style McGraw-Hill New York (1974).
3. Kernighan B. W. and Plauger P. J. Software Tools Addison-Wesley Reading Massachusetts (1976). Kernighan B. W. and Plauger P. J. Software Tools Addison-Wesley Reading Massachusetts (1976).
4. A basis for executing PASCAL programmers
5. Algorithm 268: ALGOL 60 reference language editor [R2]