This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
and then use this reference to access any non static member variable of the class.
The note you mentioned said "reference of class's type to access its members ...". You should read it as "Initialized reference of class's type if that is what is causing confusion to you. Hope that answers your question. Regards, amit