International Conference on the Survival of Humankind : the Philippine Experiment (1st : 1976 : Manila). (1976). International Conference on the Survival of Humankind: The Philippine Experiment: Energy. [s.n.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Conference on the Survival of Humankind : the Philippine Experiment (1st : 1976 : Manila). International Conference on the Survival of Humankind: The Philippine Experiment: Energy. [Manila]: [s.n.], 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInternational Conference on the Survival of Humankind : the Philippine Experiment (1st : 1976 : Manila). International Conference on the Survival of Humankind: The Philippine Experiment: Energy. [s.n.], 1976.
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