C. H. Moore; E. D. Rather; D. R. Colburn. The Evolution of Forth. ACM SIGPLAN Notices. ACM SIGPLAN History of Programming Languages 28 (3). March 1993 [2021-04-04]. (原始内容存档于2011-08-22).
C. H. Moore; E. D. Rather; D. R. Colburn. The Evolution of Forth. ACM SIGPLAN Notices. ACM SIGPLAN History of Programming Languages 28 (3). March 1993 [2021-04-04]. (原始内容存档于2011-08-22).