APA

Halbouty M. T., Michel T. Halbouty Energy Company, World Petroleum Congress (11th. : 1983 : London) & Michel T. Halbouty Energy Company.Reserves of natural gas outside the communist block countries. : .

Chicago

Halbouty Michel T, Michel T. Halbouty Energy Company, World Petroleum Congress (11th. : 1983 : London) and Michel T. Halbouty Energy Company.Reserves of natural gas outside the communist block countries. : .

Harvard

Halbouty M. T., Michel T. Halbouty Energy Company, World Petroleum Congress (11th. : 1983 : London) and Michel T. Halbouty Energy Company.Reserves of natural gas outside the communist block countries. : .

MLA

Halbouty Michel T, Michel T. Halbouty Energy Company, World Petroleum Congress (11th. : 1983 : London) and Michel T. Halbouty Energy Company.: . .