Nick Stam: Looking Inside The PowerPC 601. In: PC Magazine. Band13, Nr.4. Ziff Davis, 22. Februar 1994, S.199 (englisch, eingeschränkte Vorschau in der Google-Buchsuche): “The PPC601, jointly designed by Apple Computer, IBM, and Motorola at their Somerset facility in Austin, Textas…”
Jon Stokes: Inside the Machine: An Illustrated Introduction to Microprocessors and Computer Architecture. No Starch Press, 2007, ISBN 978-1-59327-104-6, 6 PowerPC Processors, S.112, A Brief History of PowerPC (englisch, eingeschränkte Vorschau in der Google-Buchsuche): “To make a long story short, IBM needed a way to turn POWER into a wider rage of computing products for use outside the server closet, Motorola needed a high-end RISC microprocessor in order to compete in the RISC workstation market, and Apple needed a CPU for its personal computers…”