(1980). Proceedings: International workshop on energy survey methodologies for developing countries. National Academy.
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Chicago Style (17th ed.) Zitazioa
Proceedings: International Workshop on Energy Survey Methodologies for Developing Countries. Washington, D. C.: National Academy, 1980.
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MLA (9th ed.) Zitazioa
Proceedings: International Workshop on Energy Survey Methodologies for Developing Countries. National Academy, 1980.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.