Irodalomjegyzék:
[1] The INTERCAL Programming Language Reference Manual, Donald R. Woods & James M. Lyon, 1973
[2] The C-INTERCAL Supplemental Reference Manual, Louis Howell & Eric S. Raymond, 1992
[3] Threaded INTERCAL, Malcolm Ryan, 1998
[4] R. L. Clark: "A linguistic contribution to GOTO-less programming", Commun. ACM 27 (1984), pp. 349-350