APA (7 ম সংস্করণ) উদ্ধৃতি

Velasco, G. Z. (1979). Development, energy, and national survival: Selected speeches of Minister Geronimo Z. Velasco. Ministry of Energy.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Velasco, Geronimo Z. Development, Energy, and National Survival: Selected Speeches of Minister Geronimo Z. Velasco. Makati: Ministry of Energy, 1979.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Velasco, Geronimo Z. Development, Energy, and National Survival: Selected Speeches of Minister Geronimo Z. Velasco. Ministry of Energy, 1979.