India. Dept. of Petroleum. (1981). Annual report. Govt. of India, Ministry of Petroleum, Chemicals, and Fertilizers, Dept. of Petroleum.
Citação do estilo Chicago (17ª ed.)India. Dept. of Petroleum. Annual Report. New Delhi: Govt. of India, Ministry of Petroleum, Chemicals, and Fertilizers, Dept. of Petroleum, 1981.
Citação MLA (8ª ed.)India. Dept. of Petroleum. Annual Report. Govt. of India, Ministry of Petroleum, Chemicals, and Fertilizers, Dept. of Petroleum, 1981.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.