World Energy Conference. Conservation Commission. (1978). World energy: Looking ahead to 2020. Published for the World Energy Conference by IPC Science and Technology Press.
Citazione stile Chigago Style (17a edizione)World Energy Conference. Conservation Commission. World Energy: Looking Ahead to 2020. Guildford, [Eng.]: Published for the World Energy Conference by IPC Science and Technology Press, 1978.
Citatione MLA (9a ed.)World Energy Conference. Conservation Commission. World Energy: Looking Ahead to 2020. Published for the World Energy Conference by IPC Science and Technology Press, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.