Könyvek
- Griswold, R. E. , Poage J. F. , Polonsky I. P. The SNOBOL4 programming languge. Englewood Cliffs, New Jersey: Prentice-Hall, inc. PDF
- Griswold, Ralph E. 1972. The Macro Implementation of SNOBOL4. San Francisco: W.H. Freeman and Company.
Linkek