Philippines (Republic). Commission on Elections. (1957). Canvass of votes cast for senators, November 12, 1957 elections. [s.n.
Chicago-referens (17:e uppl.)Philippines (Republic). Commission on Elections. Canvass of Votes Cast for Senators, November 12, 1957 Elections. Manila: [s.n, 1957.
MLA-referens (9:e uppl.)Philippines (Republic). Commission on Elections. Canvass of Votes Cast for Senators, November 12, 1957 Elections. [s.n, 1957.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.