Unted States. George C. Marshall Space Flight Center. (1975). The development of a solar residential heating and cooling system. National Technical Information Service.
芝加哥风格引文Unted States. George C. Marshall Space Flight Center. The Development of a Solar Residential Heating and Cooling System. Springfield, Va: National Technical Information Service, 1975.
MLA引文Unted States. George C. Marshall Space Flight Center. The Development of a Solar Residential Heating and Cooling System. National Technical Information Service, 1975.
警告：这些引文格式不一定是100％准确.