Philippines. Congress. Senate. (2011). The performance of the senate: First regular session , fifteenth congress (July 26, 2010-June 8, 2011). Legislation Group.
Citazione stile Chigago Style (17a edizione)Philippines. Congress. Senate. The Performance of the Senate: First Regular Session , Fifteenth Congress (July 26, 2010-June 8, 2011). Pasay City: Legislation Group, 2011.
Citatione MLA (9a ed.)Philippines. Congress. Senate. The Performance of the Senate: First Regular Session , Fifteenth Congress (July 26, 2010-June 8, 2011). Legislation Group, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.