(1953). Rep. Daniel Z. Romualdez for re-election, 4th district, Leyte. s.n.
Chicago-referens (17:e uppl.)Rep. Daniel Z. Romualdez for Re-election, 4th District, Leyte. [Manilan: s.n, 1953.
MLA-referens (9:e uppl.)Rep. Daniel Z. Romualdez for Re-election, 4th District, Leyte. s.n, 1953.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.