United Nations Regional Conference of Non-Governmental Organization (1952 : Manila). (1952). Souvenir program. [s.n.].
芝加哥风格引文United Nations Regional Conference of Non-Governmental Organization (1952 : Manila). Souvenir Program. Manila: [s.n.], 1952.
MLA引文United Nations Regional Conference of Non-Governmental Organization (1952 : Manila). Souvenir Program. [s.n.], 1952.
警告：这些引文格式不一定是100％准确.