APA
World energy conference, . (1978). World energy resources 1985-2020. Guilford: IPC Science and Technology.
Chicago
World energy conference, . 1978. World energy resources 1985-2020. Guilford: IPC Science and Technology.
Harvard
World energy conference, . (1978). World energy resources 1985-2020. Guilford: IPC Science and Technology.
MLA
World energy conference, . World energy resources 1985-2020. Guilford: IPC Science and Technology. 1978.