1. M. S. Sarma Synchronous Machines: Their Theory, Stability and Excitation Systems
2. A. E. Fitzgerald C. Kingsley , Jr. S. P. Umans Electric Machinery
3. American National Standard Requirements for Salient Pole Synchronous Generators and Generator/Motors for Hydraulic Turbine Applications
4. American National Standard Requirements for Rotating Electrical Machinery-Cylindrical Rotor Synchronous Generators
5. American National Standard Requirements for Combustion Gas Turbine-Driven Cylindrical Rotor Synchronous Generators