Barnett, M. P. (1983). Personal graphics for profit and pleasure on the Appe II plus computer. Little, Brown.
Chicago-referens (17:e uppl.)Barnett, Michael P. Personal Graphics for Profit and Pleasure on the Appe II Plus Computer. Little, Brown, 1983.
MLA-referens (9:e uppl.)Barnett, Michael P. Personal Graphics for Profit and Pleasure on the Appe II Plus Computer. Little, Brown, 1983.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.