Kalaw, P. V. (1946). Osmena: From newspaperman to president. [publisher not identified].
芝加哥风格引文Kalaw, Pura Villanueva. Osmena: From Newspaperman to President. Manila: [publisher not identified], 1946.
MLA引文Kalaw, Pura Villanueva. Osmena: From Newspaperman to President. [publisher not identified], 1946.
警告：这些引文格式不一定是100％准确.