APA

Lappegaard O. T., Saga Petroleum, World Petroleum Congress (13th. : 1991 : Buenos Aires) & Saga Petroleum.The snorre development project. : .

Chicago

Lappegaard O T, Saga Petroleum, World Petroleum Congress (13th. : 1991 : Buenos Aires) and Saga Petroleum.The snorre development project. : .

Harvard

Lappegaard O. T., Saga Petroleum, World Petroleum Congress (13th. : 1991 : Buenos Aires) and Saga Petroleum.The snorre development project. : .

MLA

Lappegaard O T, Saga Petroleum, World Petroleum Congress (13th. : 1991 : Buenos Aires) and Saga Petroleum.: . .