«Ելակոդ»–ի խմբագրումների տարբերություն

* [http://www.columbia.edu/acis/history/interpreter.html IBM Card Interpreters] page at Columbia University

* [http://www.archive.org/download/TheoreticalFoundationsForPracticaltotallyFunctionalProgramming/33429551_PHD_totalthesis.pdf Theoretical Foundations For Practical 'Totally Functional Programming'] 

* http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-004-computation-structures-spring-2009/lecture-notes/MIT6_004s09_lec11.pdf

* https://q3k.org/gentoomen/Programming/Pragmatic%20Programmers/Language%20Implementation%20Patterns.pdf