World Energy Conference. (1978). World energy resources, 1985-2020. IPC Science & Technology Press for the W.E.C..
Cita Chicago Style (17a ed.)World Energy Conference. World Energy Resources, 1985-2020. Guildford, UK: IPC Science & Technology Press for the W.E.C., 1978.
Cita MLA (9a ed.)World Energy Conference. World Energy Resources, 1985-2020. IPC Science & Technology Press for the W.E.C., 1978.
Precaución: Estas citas no son 100% exactas.