Velasco, G. Z. (1979). Development, energy, and national survival: Selected speeches of Minister Geronimo Z. Velasco. Ministry of Energy.
Lua i Stíl Chicago (17ú heag.)Velasco, Geronimo Z. Development, Energy, and National Survival: Selected Speeches of Minister Geronimo Z. Velasco. Makati: Ministry of Energy, 1979.
Lua MLA (9ú heag.)Velasco, Geronimo Z. Development, Energy, and National Survival: Selected Speeches of Minister Geronimo Z. Velasco. Ministry of Energy, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.