APA (7 ম সংস্করণ) উদ্ধৃতি

India. Dept. of Petroleum. (1981). Annual report. Govt. of India, Ministry of Petroleum, Chemicals, and Fertilizers, Dept. of Petroleum.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

India. Dept. of Petroleum. Annual Report. New Delhi: Govt. of India, Ministry of Petroleum, Chemicals, and Fertilizers, Dept. of Petroleum, 1981.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

India. Dept. of Petroleum. Annual Report. Govt. of India, Ministry of Petroleum, Chemicals, and Fertilizers, Dept. of Petroleum, 1981.