Weiss, Shlomo; Smith, James Edward. POWER and PowerPC. Morgan Kaufmann. 1994. ISBN 978-1558602793. — Relevant parts: Chapter 1 (the POWER architecture), Chapter 2 (how the architecture should be implemented), Chapter 6 (the additions introduced by the POWER2 architecture), Appendixes A and C (describes all POWER instructions), Appendix F (describes the differences between the POWER and PowerPC architectures)
Dewar, Robert B.K.; Smosna, Matthew. Microprocessors: A Programmer's View. McGraw-Hill. 1990. 含有內容需登入查看的頁面 (link) — Chapter 12 describes the POWER architecture (referred to as RIOS, its earlier name) and its origins
