APA

Tokumoto T., I, Energy Technology Research Institute, World Petroleum Congress (15th. : 1997 : Beijing), I & Energy Technology Research Institute.Long-term prospects of natural gas supply and demand. : .

Chicago

Tokumoto Tsunenori, I, Energy Technology Research Institute, World Petroleum Congress (15th. : 1997 : Beijing), I and Energy Technology Research Institute.Long-term prospects of natural gas supply and demand. : .

Harvard

Tokumoto T., I, Energy Technology Research Institute, World Petroleum Congress (15th. : 1997 : Beijing), I and Energy Technology Research Institute.Long-term prospects of natural gas supply and demand. : .

MLA

Tokumoto Tsunenori, I, Energy Technology Research Institute, World Petroleum Congress (15th. : 1997 : Beijing), I and Energy Technology Research Institute.: . .