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Lua i Stíl Chicago (17ú heag.)Conference on Energy Policies and the International System agus Stephern Arthur Saltzman. Energy Technology and Global Policy: A Selection of Contributing Papers to the Conference on Energy Policies and the International System. Santa Barbara, Calif: Clio Books, 1977.
Lua MLA (9ú heag.)Conference on Energy Policies and the International System agus Stephern Arthur Saltzman. Energy Technology and Global Policy: A Selection of Contributing Papers to the Conference on Energy Policies and the International System. Clio Books, 1977.