Energy Research and Development Administration. (1976). National program plan for research and development in solar heating and cooling. {Interim report, November 1976}: ERDA 76-144, UC-59.
Παραπομπή σε μορφή Chicago (17η εκδ.)Energy Research and Development Administration. National Program Plan for Research and Development in Solar Heating and Cooling. {Interim Report, November 1976}: ERDA 76-144, UC-59. Washington, 1976.
Παραπομπή σε μορφή MLA (8th εκδ.)Energy Research and Development Administration. National Program Plan for Research and Development in Solar Heating and Cooling. {Interim Report, November 1976}: ERDA 76-144, UC-59. 1976.
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