Oracle SQL and PL/SQL Annotated Archives... by Loney, Kevin Paperback / softback

Oracle Press Ser.: Oracle SQL and PL/SQL Annotated Archives by Rachel Carmichael

Oracle PL/SQL and Forms Reference Books

Oracle PL/SQL Programming Fundamentals : A Tutorial by Examples P

Murach's Oracle SQL and PL/SQL for Developers by Murach, Joel

Oracle Database 11g The Complete Reference (Oracle Press) by Kevin Loney

Mastering Oracle SQL by Sanjay Mishra

Oracle: The Complete Reference (Oracle Series) by George Koch; Kevin Loney