Velasco, G. Z. (1979). Development, energy, and national survival: Selected speeches of Minister Geronimo Z. Velasco. Ministry of Energy.
Chicago-referens (17:e uppl.)Velasco, Geronimo Z. Development, Energy, and National Survival: Selected Speeches of Minister Geronimo Z. Velasco. Makati: Ministry of Energy, 1979.
MLA-referens (9:e uppl.)Velasco, Geronimo Z. Development, Energy, and National Survival: Selected Speeches of Minister Geronimo Z. Velasco. Ministry of Energy, 1979.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.