Formation of Government Contracts

School Professor Text Book    
George Washington University Law School Gordon, Daniel I. Cibinic, Nash & Yukins, Formation of Government Contracts, 4th Ed.
George Washington University Law School Papson, Thomas C. (Cant Remember)
George Washington University Law School Schooner, Steven Cibinic, Nash & Yukins, Formation of Government Contracts, 4th Ed.
George Washington University Law School Schooner, Steven Nash and Cibinic - Formation of Government Contracts