De Paula, F. R. M. (1942). Government contract: Cost investigations. Gee & Company.
Citazione stile Chigago Style (17a edizione)De Paula, Frederic Rudolph Mackley. Government Contract: Cost Investigations. Middlesex: Gee & Company, 1942.
Citatione MLA (8a ed.)De Paula, Frederic Rudolph Mackley. Government Contract: Cost Investigations. Gee & Company, 1942.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.