Velasco, G. Z. (1981). Toward energy self-reliance: The Philippine response to the oil crisis, 1973-1980. Ministry of Energy.
Citazione stile Chigago Style (17a edizione)Velasco, Geronimo Z. Toward Energy Self-reliance: The Philippine Response to the Oil Crisis, 1973-1980. Makati: Ministry of Energy, 1981.
Citatione MLA (9a ed.)Velasco, Geronimo Z. Toward Energy Self-reliance: The Philippine Response to the Oil Crisis, 1973-1980. Ministry of Energy, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.