ebrary, Inc. (2004). The hydrogen economy: Opportunities, costs, barriers, and R&D needs. National Academies Press.
芝加哥风格引文ebrary, Inc. The Hydrogen Economy: Opportunities, Costs, Barriers, and R&D Needs. Washington, D.C.: National Academies Press, 2004.
MLA引文ebrary, Inc. The Hydrogen Economy: Opportunities, Costs, Barriers, and R&D Needs. National Academies Press, 2004.
警告：这些引文格式不一定是100％准确.