APA aipamena

World Energy Conference. (1978). World energy resources, 1985-2020. IPC Science & Technology Press for the W.E.C..

Chicago Style aipamena

World Energy Conference. World Energy Resources, 1985-2020. Guildford, UK: IPC Science & Technology Press for the W.E.C., 1978.

MLA aipamena

World Energy Conference. World Energy Resources, 1985-2020. IPC Science & Technology Press for the W.E.C., 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.