Gaya APA

al], L, M, [. (1991). EXECUTIVE CONFERENCE ON ENERGY TECHNOLOGY POLICY FOR SUSTAINABLE DEVELOPMENT : COMPARING LONG-TERM APPROACHES . UTRECHT: NOVEM.

Gaya MLA

al], L.A., MEYER, [et. "EXECUTIVE CONFERENCE ON ENERGY TECHNOLOGY POLICY FOR SUSTAINABLE DEVELOPMENT : COMPARING LONG-TERM APPROACHES". UTRECHT: NOVEM, 1991. Text.