APA
International Development Research Centre Energy Research Group, International Development Research Centre Energy Research Group, . (1986). Energy research. Ottawa: International Development Research Centre Energy Research Group.
Chicago
International Development Research Centre Energy Research Group, International Development Research Centre Energy Research Group, . 1986. Energy research. Ottawa: International Development Research Centre Energy Research Group.
Harvard
International Development Research Centre Energy Research Group, International Development Research Centre Energy Research Group, . (1986). Energy research. Ottawa: International Development Research Centre Energy Research Group.
MLA
International Development Research Centre Energy Research Group, International Development Research Centre Energy Research Group, . Energy research. Ottawa: International Development Research Centre Energy Research Group. 1986.