Changes
/* English */
|[[The Amstrad CPC-464 Advanced User Guide]]||Mark Harrison||Sigma Press||1984||1-85058-014-6
|-
|[[CP/M The Software Bus .. a programmers companion|CP/M The Software Bus .. A Programmers Programmer's Companion]]||A Clarke, J M Eaton, D Powys-Lybbe||Sigma Press||1984||0-905104-18-8
|-
|[[Amstrad CPC-464 Learning Programs]]||Tony Noble||Sigma Press||1985||1-85058-019-7
