Gaya APA
Durham, S, O, T, E, E, 1, :, D. (1984).
Prospects for the world oil industry .
London:
Croom Helm.
Gaya MLA
Durham, SYMPOSIUM, On, The, Energy, Economy, 1984, :, Durham,.
"Prospects for the world oil industry".
London:
Croom Helm,
1984.
Buku.