Ross, P. (1983). Introducing LOGO for the Apple II Computer Texas Instruments 99/4A and Tandy Color Computer. NBS.
Chicago-referens (17:e uppl.)Ross, Peter. Introducing LOGO for the Apple II Computer Texas Instruments 99/4A and Tandy Color Computer. Manila: NBS, 1983.
MLA-referens (9:e uppl.)Ross, Peter. Introducing LOGO for the Apple II Computer Texas Instruments 99/4A and Tandy Color Computer. NBS, 1983.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.