Lua 4.0 Quick Reference Guide

based on the Lua 4 Manual by Waldemar Celes, Roberto Ierusalimschy and Luiz Henrique de Figueiredo, TeCGraf. Adapted by Kein-Hong Man.
version:   2003-05-18
size:   110 KB 
download here (PDF file)

Lua 4.0 Quick Reference Guide (in booklet form)

as above, but with a more compact layout
version:   2003-05-18
size:   109 KB 
download here (PDF file)

Official Reference for Lua 4.0

written by Lua authors
version:   2002-11-02
size:   436 KB 
download here (PDF file)