Knjiga o programiranju v 16K ZX81 basicu, ki jo je leta 1983 izdala založba Bernard Babani Publishing Ltd.
The Art Of Programming The 16K ZX81
http://www.worldofspectrum.org/infoseekid.cgi?id=2000033
http://www.retro8bitcomputers.co.uk/Books/ArtOfProgrammingThe16KZX81The
http://www.retro8bitcomputers.co.uk/Content/downloads/books/ArtOfProgrammingThe16KZX81The.pdf
