APA

Muraki S., Yamashita S., Fujikawa R., Tokyo Gas Company, World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires), Yamashita S., Fujikawa R. & Tokyo Gas Company.Natural gas in the Asia Pacific Region. : .

Chicago

Muraki Shigeru, Yamashita Shunjiro, Fujikawa Reijiro, Tokyo Gas Company, World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires), Yamashita Shunjiro, Fujikawa Reijiro and Tokyo Gas Company.Natural gas in the Asia Pacific Region. : .

Harvard

Muraki S., Yamashita S., Fujikawa R., Tokyo Gas Company, World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires), Yamashita S., Fujikawa R. and Tokyo Gas Company.Natural gas in the Asia Pacific Region. : .

MLA

Muraki Shigeru, Yamashita Shunjiro, Fujikawa Reijiro, Tokyo Gas Company, World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires), Yamashita Shunjiro, Fujikawa Reijiro and Tokyo Gas Company.: . .