Velasco, G. Z. (1981). Toward energy self-reliance: The Philippine response to the oil crisis, 1973-1981. The Author.
Citace podle Chicago (17th ed.)Velasco, Geronimo Z. Toward Energy Self-reliance: The Philippine Response to the Oil Crisis, 1973-1981. Makati: The Author, 1981.
Citace podle MLA (9th ed.)Velasco, Geronimo Z. Toward Energy Self-reliance: The Philippine Response to the Oil Crisis, 1973-1981. The Author, 1981.
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