United States. Department of State. (1951). The Philippines today: Background. U.S. Government Printing Office.
Citazione stile Chigago Style (17a edizione)United States. Department of State. The Philippines Today: Background. [Washington: U.S. Government Printing Office, 1951.
Citatione MLA (9a ed.)United States. Department of State. The Philippines Today: Background. U.S. Government Printing Office, 1951.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.