APA

World Energy Conference, Oil Substitution Task Force & World Energy Conference. (1983). Oil substitution: world outlook to 2020 ; World Energy Conference, New Delhi 1983. London [u.a.]: Graham & Trotman [u.a.].

Chicago

World Energy Conference, Oil Substitution Task Force and World Energy Conference. 1983. Oil substitution: world outlook to 2020 ; World Energy Conference, New Delhi 1983. London [u.a.]: Graham & Trotman [u.a.].

Harvard

World Energy Conference, Oil Substitution Task Force and World Energy Conference. (1983). Oil substitution: world outlook to 2020 ; World Energy Conference, New Delhi 1983. London [u.a.]: Graham & Trotman [u.a.].

MLA

World Energy Conference, Oil Substitution Task Force and World Energy Conference. Oil substitution: world outlook to 2020 ; World Energy Conference, New Delhi 1983. London [u.a.]: Graham & Trotman [u.a.]. 1983.